20.110.132.6
C2 Infrastructure CobaltStrike Indicator 20.110.132.6 Type ip Category C2 Infrastructure Family CobaltStrike Hosting Azure Confidence high VT Score 0/94 Source shodan First Seen 2026-07-29 16:00:45 UTC Last Seen 2026-07-29 16:00:45 UTC Shodan View on Shodan ↗
Raw JSON
{
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"headers": {
"date": "Wed, 29 Jul 2026 04:27:50 GMT",
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"cloud": {
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"vulns": {
"CVE-2023-44487": {
"verified": false,
"ransomware_campaign": "Unknown",
"ranking_epss": 0.99997,
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"summary": "The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.",
"references": [
"http://www.openwall.com/lists/oss-security/2023/10/10/6",
"http://www.openwall.com/lists/oss-security/2023/10/10/7",
"http://www.openwall.com/lists/oss-security/2023/10/13/4",
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"http://www.openwall.com/lists/oss-security/2023/10/20/8",
"https://access.redhat.com/security/cve/cve-2023-44487",
"https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/",
"https://aws.amazon.com/security/security-bulletins/AWS-2023-011/",
"https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/",
"https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/",
"https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/",
"https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack",
"https://blog.vespa.ai/cve-2023-44487/",
"https://bugzilla.proxmox.com/show_bug.cgi?id=4988",
"https://bugzilla.redhat.com/show_bug.cgi?id=2242803",
"https://bugzilla.suse.com/show_bug.cgi?id=1216123",
"https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9",
"https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/",
"https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack",
"https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125",
"https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715",
"https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve",
"https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764",
"https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088",
"https://github.com/Azure/AKS/issues/3947",
"https://github.com/Kong/kong/discussions/11741",
"https://github.com/advisories/GHSA-qppj-fm5r-hxr3",
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"https://github.com/akka/akka-http/issues/4323",
"https://github.com/alibaba/tengine/issues/1872",
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"https://github.com/apache/trafficserver/pull/10564",
"https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487",
"https://github.com/bcdannyboy/CVE-2023-44487",
"https://github.com/caddyserver/caddy/issues/5877",
"https://github.com/caddyserver/caddy/releases/tag/v2.7.5",
"https://github.com/dotnet/announcements/issues/277",
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"https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244",
"https://github.com/junkurihara/rust-rpxy/issues/97",
"https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1",
"https://github.com/kazu-yamamoto/http2/issues/93",
"https://github.com/kubernetes/kubernetes/pull/121120",
"https://github.com/line/armeria/pull/5232",
"https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632",
"https://github.com/micrictor/http2-rst-stream",
"https://github.com/microsoft/CBL-Mariner/pull/6381",
"https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61",
"https://github.com/nghttp2/nghttp2/pull/1961",
"https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0",
"https://github.com/ninenines/cowboy/issues/1615",
"https://github.com/nodejs/node/pull/50121",
"https://github.com/openresty/openresty/issues/930",
"https://github.com/opensearch-project/data-prepper/issues/3474",
"https://github.com/oqtane/oqtane.framework/discussions/3367",
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"https://github.com/tempesta-tech/tempesta/issues/1986",
"https://github.com/varnishcache/varnish-cache/issues/3996",
"https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo",
"https://istio.io/latest/news/security/istio-security-2023-004/",
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"https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html",
"https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html",
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"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/",
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"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/",
"https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html",
"https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html",
"https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html",
"https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/",
"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487",
"https://my.f5.com/manage/s/article/K000137106",
"https://netty.io/news/2023/10/10/4-1-100-Final.html",
"https://news.ycombinator.com/item?id=37830987",
"https://news.ycombinator.com/item?id=37830998",
"https://news.ycombinator.com/item?id=37831062",
"https://news.ycombinator.com/item?id=37837043",
"https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/",
"https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected",
"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ",
"https://security.gentoo.org/glsa/202311-09",
"https://security.netapp.com/advisory/ntap-20231016-0001/",
"https://security.netapp.com/advisory/ntap-20240426-0007/",
"https://security.netapp.com/advisory/ntap-20240621-0006/",
"https://security.netapp.com/advisory/ntap-20240621-0007/",
"https://security.paloaltonetworks.com/CVE-2023-44487",
"https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14",
"https://ubuntu.com/security/CVE-2023-44487",
"https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/",
"https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487",
"https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event",
"https://www.debian.org/security/2023/dsa-5521",
"https://www.debian.org/security/2023/dsa-5522",
"https://www.debian.org/security/2023/dsa-5540",
"https://www.debian.org/security/2023/dsa-5549",
"https://www.debian.org/security/2023/dsa-5558",
"https://www.debian.org/security/2023/dsa-5570",
"https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487",
"https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/",
"https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/",
"https://www.openwall.com/lists/oss-security/2023/10/10/6",
"https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack",
"https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/",
"http://www.openwall.com/lists/oss-security/2023/10/13/4",
"http://www.openwall.com/lists/oss-security/2023/10/13/9",
"http://www.openwall.com/lists/oss-security/2023/10/18/4",
"http://www.openwall.com/lists/oss-security/2023/10/18/8",
"http://www.openwall.com/lists/oss-security/2023/10/19/6",
"http://www.openwall.com/lists/oss-security/2023/10/20/8",
"http://www.openwall.com/lists/oss-security/2025/08/13/6",
"https://access.redhat.com/security/cve/cve-2023-44487",
"https://arstechnica.com/security/2023/10/how-ddosers-used-the-http-2-protocol-to-deliver-attacks-of-unprecedented-size/",
"https://aws.amazon.com/security/security-bulletins/AWS-2023-011/",
"https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/",
"https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/",
"https://blog.litespeedtech.com/2023/10/11/rapid-reset-http-2-vulnerablilty/",
"https://blog.qualys.com/vulnerabilities-threat-research/2023/10/10/cve-2023-44487-http-2-rapid-reset-attack",
"https://blog.vespa.ai/cve-2023-44487/",
"https://bugzilla.proxmox.com/show_bug.cgi?id=4988",
"https://bugzilla.redhat.com/show_bug.cgi?id=2242803",
"https://bugzilla.suse.com/show_bug.cgi?id=1216123",
"https://cgit.freebsd.org/ports/commit/?id=c64c329c2c1752f46b73e3e6ce9f4329be6629f9",
"https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/",
"https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack",
"https://community.traefik.io/t/is-traefik-vulnerable-to-cve-2023-44487/20125",
"https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715",
"https://edg.io/lp/blog/resets-leaks-ddos-and-the-tale-of-a-hidden-cve",
"https://forums.swift.org/t/swift-nio-http2-security-update-cve-2023-44487-http-2-dos/67764",
"https://gist.github.com/adulau/7c2bfb8e9cdbe4b35a5e131c66a0c088",
"https://github.com/Azure/AKS/issues/3947",
"https://github.com/Kong/kong/discussions/11741",
"https://github.com/advisories/GHSA-qppj-fm5r-hxr3",
"https://github.com/advisories/GHSA-vx74-f528-fxqg",
"https://github.com/advisories/GHSA-xpw8-rcwv-8f8p",
"https://github.com/akka/akka-http/issues/4323",
"https://github.com/alibaba/tengine/issues/1872",
"https://github.com/apache/apisix/issues/10320",
"https://github.com/apache/httpd-site/pull/10",
"https://github.com/apache/httpd/blob/afcdbeebbff4b0c50ea26cdd16e178c0d1f24152/modules/http2/h2_mplx.c#L1101-L1113",
"https://github.com/apache/tomcat/tree/main/java/org/apache/coyote/http2",
"https://github.com/apache/trafficserver/pull/10564",
"https://github.com/arkrwn/PoC/tree/main/CVE-2023-44487",
"https://github.com/bcdannyboy/CVE-2023-44487",
"https://github.com/caddyserver/caddy/issues/5877",
"https://github.com/caddyserver/caddy/releases/tag/v2.7.5",
"https://github.com/dotnet/announcements/issues/277",
"https://github.com/dotnet/core/blob/e4613450ea0da7fd2fc6b61dfb2c1c1dec1ce9ec/release-notes/6.0/6.0.23/6.0.23.md?plain=1#L73",
"https://github.com/eclipse/jetty.project/issues/10679",
"https://github.com/envoyproxy/envoy/pull/30055",
"https://github.com/etcd-io/etcd/issues/16740",
"https://github.com/facebook/proxygen/pull/466",
"https://github.com/golang/go/issues/63417",
"https://github.com/grpc/grpc-go/pull/6703",
"https://github.com/h2o/h2o/pull/3291",
"https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf",
"https://github.com/haproxy/haproxy/issues/2312",
"https://github.com/icing/mod_h2/blob/0a864782af0a942aa2ad4ed960a6b32cd35bcf0a/mod_http2/README.md?plain=1#L239-L244",
"https://github.com/junkurihara/rust-rpxy/issues/97",
"https://github.com/kazu-yamamoto/http2/commit/f61d41a502bd0f60eb24e1ce14edc7b6df6722a1",
"https://github.com/kazu-yamamoto/http2/issues/93",
"https://github.com/kubernetes/kubernetes/pull/121120",
"https://github.com/line/armeria/pull/5232",
"https://github.com/linkerd/website/pull/1695/commits/4b9c6836471bc8270ab48aae6fd2181bc73fd632",
"https://github.com/micrictor/http2-rst-stream",
"https://github.com/microsoft/CBL-Mariner/pull/6381",
"https://github.com/netty/netty/commit/58f75f665aa81a8cbcf6ffa74820042a285c5e61",
"https://github.com/nghttp2/nghttp2/pull/1961",
"https://github.com/nghttp2/nghttp2/releases/tag/v1.57.0",
"https://github.com/ninenines/cowboy/issues/1615",
"https://github.com/nodejs/node/pull/50121",
"https://github.com/openresty/openresty/issues/930",
"https://github.com/opensearch-project/data-prepper/issues/3474",
"https://github.com/oqtane/oqtane.framework/discussions/3367",
"https://github.com/projectcontour/contour/pull/5826",
"https://github.com/tempesta-tech/tempesta/issues/1986",
"https://github.com/varnishcache/varnish-cache/issues/3996",
"https://groups.google.com/g/golang-announce/c/iNNxDTCjZvo",
"https://istio.io/latest/news/security/istio-security-2023-004/",
"https://linkerd.io/2023/10/12/linkerd-cve-2023-44487/",
"https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q",
"https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html",
"https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html",
"https://lists.debian.org/debian-lts-announce/2023/10/msg00024.html",
"https://lists.debian.org/debian-lts-announce/2023/10/msg00045.html",
"https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html",
"https://lists.debian.org/debian-lts-announce/2023/11/msg00001.html",
"https://lists.debian.org/debian-lts-announce/2023/11/msg00012.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MBEPPC36UBVOZZNAXFHKLFGSLCMN5LI/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3N4NJ7FR4X4FPZUGNTQAPSTVB2HB2Y4A/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFQD3KUEMFBHPAPBGLWQC34L4OWL5HAZ/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E72T67UPDRXHIDLO3OROR25YAMN4GGW5/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNA62Q767CFAFHBCDKYNPBMZWB7TWYVU/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HT7T2R4MQKLIF4ODV4BDLPARWFPCJ5CZ/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMEXY22BFG5Q64HQCM5CK2Q7KDKVV4TY/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKYHSZQFDNR7RSA7LHVLLIAQMVYCUGBG/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNMZJCDHGLJJLXO4OXWJMTVQRNWOC7UL/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSRDIV77HNKUSM7SJC5BKE5JSHLHU2NK/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLPRQ5TWUQQXYWBJM7ECYDAIL2YVKIUH/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6QXN4ORIVF6XBW4WWFE7VNPVC74S45Y/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZB43REMKRQR62NJEI7I5NQ4FSXNLBKRT/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLU6U2R2IC2K64NDPNMV55AUAO65MAF4/",
"https://lists.w3.org/Archives/Public/ietf-http-wg/2023OctDec/0025.html",
"https://mailman.nginx.org/pipermail/nginx-devel/2023-October/S36Q5HBXR7CAIMPLLPRSSSYR4PCMWILK.html",
"https://martinthomson.github.io/h2-stream-limits/draft-thomson-httpbis-h2-stream-limits.html",
"https://msrc.microsoft.com/blog/2023/10/microsoft-response-to-distributed-denial-of-service-ddos-attacks-against-http/2/",
"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-44487",
"https://my.f5.com/manage/s/article/K000137106",
"https://netty.io/news/2023/10/10/4-1-100-Final.html",
"https://news.ycombinator.com/item?id=37830987",
"https://news.ycombinator.com/item?id=37830998",
"https://news.ycombinator.com/item?id=37831062",
"https://news.ycombinator.com/item?id=37837043",
"https://openssf.org/blog/2023/10/10/http-2-rapid-reset-vulnerability-highlights-need-for-rapid-response/",
"https://seanmonstar.com/post/730794151136935936/hyper-http2-rapid-reset-unaffected",
"https://security.gentoo.org/glsa/202311-09",
"https://security.netapp.com/advisory/ntap-20231016-0001/",
"https://security.netapp.com/advisory/ntap-20240426-0007/",
"https://security.netapp.com/advisory/ntap-20240621-0006/",
"https://security.netapp.com/advisory/ntap-20240621-0007/",
"https://security.paloaltonetworks.com/CVE-2023-44487",
"https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.14",
"https://ubuntu.com/security/CVE-2023-44487",
"https://www.bleepingcomputer.com/news/security/new-http-2-rapid-reset-zero-day-attack-breaks-ddos-records/",
"https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487",
"https://www.darkreading.com/cloud/internet-wide-zero-day-bug-fuels-largest-ever-ddos-event",
"https://www.debian.org/security/2023/dsa-5521",
"https://www.debian.org/security/2023/dsa-5522",
"https://www.debian.org/security/2023/dsa-5540",
"https://www.debian.org/security/2023/dsa-5549",
"https://www.debian.org/security/2023/dsa-5558",
"https://www.debian.org/security/2023/dsa-5570",
"https://www.haproxy.com/blog/haproxy-is-not-affected-by-the-http-2-rapid-reset-attack-cve-2023-44487",
"https://www.netlify.com/blog/netlify-successfully-mitigates-cve-2023-44487/",
"https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/",
"https://www.openwall.com/lists/oss-security/2023/10/10/6",
"https://www.phoronix.com/news/HTTP2-Rapid-Reset-Attack",
"https://www.theregister.com/2023/10/10/http2_rapid_reset_zeroday/",
"https://www.vicarius.io/vsociety/posts/rapid-reset-cve-2023-44487-dos-in-http2-understanding-the-root-cause",
"https://cert-portal.siemens.com/productcert/html/ssa-082556.html",
"https://cert-portal.siemens.com/productcert/html/ssa-341067.html",
"https://cert-portal.siemens.com/productcert/html/ssa-784301.html",
"https://cert-portal.siemens.com/productcert/html/ssa-832273.html",
"https://cert-portal.siemens.com/productcert/html/ssa-915275.html",
"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-44487"
],
"epss": 0.99999,
"kev": true,
"cvss": 7.5
},
"CVE-2021-3618": {
"verified": false,
"ranking_epss": 0.79087,
"cvss_v2": 5.8,
"cvss_version": 3,
"summary": "ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can redirect traffic from one subdomain to another, resulting in a valid TLS session. This breaks the authentication of TLS and cross-protocol attacks may be possible where the behavior of one protocol service may compromise the other at the application layer.",
"references": [
"https://alpaca-attack.com/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1975623",
"https://lists.debian.org/debian-lts-announce/2022/11/msg00031.html",
"https://alpaca-attack.com/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1975623",
"https://lists.debian.org/debian-lts-announce/2022/11/msg00031.html"
],
"epss": 0.02036,
"cvss": 7.4
},
"CVE-2021-23017": {
"verified": false,
"ranking_epss": 0.9888,
"cvss_v2": 6.8,
"cvss_version": 3,
"summary": "A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.",
"references": [
"http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html",
"http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html",
"https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/",
"https://security.netapp.com/advisory/ntap-20210708-0006/",
"https://support.f5.com/csp/article/K12331123%2C",
"https://www.oracle.com/security-alerts/cpuapr2022.html",
"https://www.oracle.com/security-alerts/cpujan2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html",
"http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html",
"http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html",
"https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/",
"https://security.netapp.com/advisory/ntap-20210708-0006/",
"https://support.f5.com/csp/article/K12331123%2C",
"https://www.oracle.com/security-alerts/cpuapr2022.html",
"https://www.oracle.com/security-alerts/cpujan2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html"
],
"epss": 0.53461,
"cvss": 7.7
},
"CVE-2025-23419": {
"verified": false,
"ranking_epss": 0.61975,
"cvss_v2": null,
"cvss_version": 4,
"summary": "When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when TLS Session Tickets https://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_ticket_key are used and/or the SSL session cache https://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_session_cache are used in the default server and the default server is performing client certificate authentication. \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
"references": [
"https://my.f5.com/manage/s/article/K000149173",
"http://www.openwall.com/lists/oss-security/2025/02/05/8",
"https://lists.debian.org/debian-lts-announce/2025/03/msg00017.html"
],
"epss": 0.01092,
"cvss": 5.3
}
},
"location": {
"city": "Boydton",
"region_code": "VA",
"area_code": null,
"longitude": -78.3875,
"latitude": 36.66764,
"country_code": "US",
"country_name": "United States"
},
"product": "Cobalt Strike Beacon",
"hash": -173553234,
"tags": [
"cloud",
"eol-product"
],
"timestamp": "2026-07-29T04:27:50.857454",
"ssl": {
"chain_sha256": [
"92479f98bddb7da83721764640fd524e59dbeec4b4d4ce7f33c850c63c375b91",
"13949634d99cd6fd6aa80bc034fefacceb1969feef986586713ecdbb05758d3f",
"072639d0b140d5bffae16ad9c3f6cc6086040621f51ee61a6d46a8915c07cf76"
],
"jarm": "15d3fd16d29d29d00042d43d000000fe02290512647416dcf0a400ccbc0b6b",
"tlsext": [
{
"id": 43,
"name": "supported_versions"
},
{
"id": 51,
"name": "key_share"
},
{
"id": 0,
"name": "server_name"
}
],
"chain": [
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"-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----\n",
"-----BEGIN CERTIFICATE-----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\nyDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==\n-----END CERTIFICATE-----\n"
],
"versions": [
"-TLSv1",
"-SSLv2",
"-SSLv3",
"-TLSv1.1",
"TLSv1.2",
"TLSv1.3"
],
"acceptable_cas": [],
"alpn": [],
"cert": {
"sig_alg": "sha256WithRSAEncryption",
"issued": "20260727194906Z",
"expires": "20261025194905Z",
"pubkey": {
"bits": 2048,
"type": "rsa"
},
"version": 2,
"extensions": [
{
"critical": true,
"data": "\\x03\\x02\\x05\\xa0",
"name": "keyUsage"
},
{
"data": "0\\n\\x06\\x08+\\x06\\x01\\x05\\x05\\x07\\x03\\x01",
"name": "extendedKeyUsage"
},
{
"critical": true,
"data": "0\\x00",
"name": "basicConstraints"
},
{
"data": "\\x04\\x14A\\xe1\\xcc:Q\\xa2\\x95\\xdb\\xf6\\xc9\\x02\\x94\\xa1$\\x8e\\xd7\\xd0\\x8b\\x17\\\\",
"name": "subjectKeyIdentifier"
},
{
"data": "0\\x16\\x80\\x14\\x1f/5\\xbeF\\x14\\x82\\xcd@\\xb1\\xaey,Ux\\xfa\\xf7\\xd4h\\xfb",
"name": "authorityKeyIdentifier"
},
{
"data": "0%0#\\x06\\x08+\\x06\\x01\\x05\\x05\\x070\\x02\\x86\\x17http://yr1.i.lencr.org/",
"name": "authorityInfoAccess"
},
{
"data": "0&\\x82$jackknife.eastus2.cloudapp.azure.com",
"name": "subjectAltName"
},
{
"data": "0\\n0\\x08\\x06\\x06g\\x81\\x0c\\x01\\x02\\x01",
"name": "certificatePolicies"
},
{
"data": "0%0#\\xa0!\\xa0\\x1f\\x86\\x1dhttp://yr1.c.lencr.org/36.crl",
"name": "crlDistributionPoints"
},
{
"data": "\\x04\\x81\\xfa\\x00\\xf8\\x00v\\x00\\xd8\\tU;\\x94Oz\\xff\\xc8\\x16\\x19o\\x94O\\x85\\xab\\xb0\\xf8\\xfc^\\x87U&\\x0f\\x15\\xd1.r\\xbbEK\\x14\\x00\\x00\\x01\\x9f\\xa5UC\\xd2\\x00\\x00\\x04\\x03\\x00G0E\\x02 A\\xc9v9a\\xfezBU\\x11\\xc6BzL\\xea\\x05P+\\x1fo\\x05JON(%\\x88\\xa3(\\'\\xea\\xbe\\x02!\\x00\\xde[\\xc34\\xd1\\xc5\\xc3\\xda\\xf1\\xa9\\xc3\\x19Ji\\x00\\xfb\\xa0\\xbf\\t\\x0e6\\xb7\\xb1\\xb6<H\\xd4\\xeahY\\xa4)\\x00~\\x00&\\xe3dnXi!#\\xbc4?G$5\\x9b7\\x92\\xcd$Z\\x88\\xd8\\x15\\xd3\\x933\\xfd\\x99\\x18\\xabG#\\x00\\x00\\x01\\x9f\\xa5U?\\xd5\\x00\\x08\\x00\\x00\\x05\\x00.\\x14\\x89#\\x04\\x03\\x00G0E\\x02 6d1WFwH\\x0eR\\xa2\\x88f\\x04\\x8d+c\\x93\\r\\x0f\\xd6%\\x0e\\x02_\\xc3\\xf5A\\xa6\\x9f@\\xb5\\xd0\\x02!\\x00\\x99\\xf8\\xd7\\xa9G\\xa4\\xc8\\x93Y\\xb7C(X\\xaabm\\xd5\\xeb\\x0f\\x0ex\\x8b\\xca\\x9d\"\\xeb\\x808\\x07%d\\x02",
"name": "ct_precert_scts"
}
],
"fingerprint": {
"sha256": "92479f98bddb7da83721764640fd524e59dbeec4b4d4ce7f33c850c63c375b91",
"sha1": "4787092596bac3cc6e340ab42128d713fa056e7b"
},
"serial": 4.887547513427093e+41,
"issuer": {
"C": "US",
"CN": "YR1",
"O": "Let's Encrypt"
},
"expired": false,
"subject": {
"CN": "jackknife.eastus2.cloudapp.azure.com"
}
},
"cipher": {
"version": "TLSv1.3",
"bits": 256,
"name": "TLS_AES_256_GCM_SHA384"
},
"trust": {
"revoked": false,
"browser": null
},
"handshake_states": [
"before SSL initialization",
"SSLv3/TLS write client hello",
"SSLv3/TLS read server hello",
"TLSv1.3 read encrypted extensions",
"SSLv3/TLS read server certificate",
"TLSv1.3 read server certificate verify",
"SSLv3/TLS read finished",
"SSLv3/TLS write change cipher spec",
"SSLv3/TLS write finished",
"SSL negotiation finished successfully"
],
"ja3s": "574866101f64002c6421cc329e4d5458",
"ocsp": {}
},
"hostnames": [
"jackknife.eastus2.cloudapp.azure.com"
],
"org": "Microsoft Corporation",
"data": "HTTP/1.1 404 Not Found\r\nServer: nginx/1.18.0 (Ubuntu)\r\nDate: Wed, 29 Jul 2026 04:27:50 GMT\r\nContent-Type: text/plain\r\nContent-Length: 0\r\nConnection: keep-alive\r\n\r\n",
"asn": "AS8075",
"cpe23": [
"cpe:2.3:a:f5:nginx:1.18.0",
"cpe:2.3:a:helpsystems:cobalt_strike",
"cpe:2.3:o:canonical:ubuntu_linux",
"cpe:2.3:o:linux:linux_kernel"
],
"isp": "Microsoft Corporation",
"cpe": [
"cpe:/a:f5:nginx:1.18.0",
"cpe:/a:helpsystems:cobalt_strike",
"cpe:/o:canonical:ubuntu_linux",
"cpe:/o:linux:linux_kernel"
],
"domains": [
"azure.com"
],
"ip_str": "20.110.132.6",
"os": "Ubuntu",
"_shodan": {
"region": "na",
"module": "https",
"ptr": true,
"options": {
"referrer": "b11c9bef-11ea-4f30-af48-80abb38d5813"
},
"id": "0de2df75-82e0-4673-a558-fed7792859f5",
"crawler": "eb6a3b0c4c23bbec821e9a56c850ef9b7c5c7f4c"
}
}