{"id":"CVE-2024-49369","aliases":["DEBIAN-CVE-2024-49369","DLA-3953-1","EUVD-2024-43406","GHSA-j7wq-r9mg-9wpv","UBUNTU-CVE-2024-49369","openSUSE-SU-2024:0371-1","openSUSE-SU-2024:0372-1","openSUSE-SU-2024:14493-1"],"status":"published","title":"Icinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API Connections","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02939,"percentile":0.8729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-295"],"published":"2024-11-12T16:44:01Z","modified":"2026-11-02T12:03:04Z","exploits":[{"source":"pocgithub","id":"Quantum-Sicarius/CVE-2024-49369","title":"Quantum-Sicarius/CVE-2024-49369","date":"2024-11-29","url":"https://github.com/Quantum-Sicarius/CVE-2024-49369"}],"fixes":[{"ecosystem":"Debian:12","package":"icinga2","fixed_in":["2.13.6-2+deb12u2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"icinga2","fixed_in":["2.14.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"icinga2","fixed_in":["2.14.3-1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP5","package":"icinga2","fixed_in":["2.13.10-bp155.3.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.5","package":"icinga2","fixed_in":["2.13.10-bp155.3.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP6","package":"icinga2","fixed_in":["2.13.10-bp156.4.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.6","package":"icinga2","fixed_in":["2.13.10-bp156.4.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"icinga2","fixed_in":["2.14.3-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.6-2+deb12u2"}]}],"versions":["2.13.6-2","2.13.6-2+deb12u1"]},{"source":"osv","ecosystem":"Debian:13","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.3-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.3-1+deb11u1"}]}],"versions":["2.12.3-1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.8-1build1","2.3.11-1","2.4.0-1","2.4.1-1","2.4.1-2","2.4.1-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.0-1","2.8.1-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.5-1build1","2.11.2-1","2.11.2-1ubuntu1","2.11.2-1ubuntu2","2.11.2-1ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.3-1","2.13.1-1","2.13.2-1","2.13.2-1build1","2.13.2-1build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.13.8-1","2.14.1-1","2.14.2-1","2.14.2-1build1","2.14.2-1build2"]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP5","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.10-bp155.3.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.5","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.10-bp155.3.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP6","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.10-bp156.4.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.6","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.10-bp156.4.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.3-1.1"}]}]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"icinga","product":"icinga"},{"vendor":"icinga","product":"icinga2"},{"vendor":"icinga","product":"icinga_web_2"}],"references":[{"url":"https://github.com/Icinga/icinga2/security/advisories/GHSA-j7wq-r9mg-9wpv","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory","report"]},{"url":"https://github.com/Icinga/icinga2/commit/0419a2c36de408e9a703aec0962061ec9a285d3c","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/Icinga/icinga2/commit/2febc5e18ae0c93d989e64ebc2a9fd90e7205ad8","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/Icinga/icinga2/commit/3504fc7ed688c10d86988e2029a65efc311393fe","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/Icinga/icinga2/commit/869a7d6f0fe38c748e67bacc1fbdd42c933030f6","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/Icinga/icinga2/commit/8fed6608912c752b337d977f730547875a820831","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://icinga.com/blog/2024/11/12/critical-icinga-2-security-releases-2-14-3","tags":["x_refsource_MISC","Release Notes","article","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/11/msg00010.html","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49369.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49369","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-49369","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-49369","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-49369","tags":["report"]},{"url":"https://icinga.com/blog/2024/11/12/critical-icinga-2-security-releases-2-14-3/","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WZZJE5TDFJPSAOPLZPWW67EYXT7Z5WA4/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1233310","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2024-49369","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AT3WKZIWKJAT2IOFHCH3XH5OSH54G6FP/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/BRICGA55WXXGHCSKSOD24SNS4LQXWB65/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-49369","title":"Icinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API Connections","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","status":"published","published":"2024-11-12T16:44:01.713Z","modified":"2025-11-03T22:22:15.314Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:33:55.977982Z"}],"euvd":[{"id":"EUVD-2024-43406","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","status":"published","published":"2024-11-12T16:44:01Z","modified":"2025-11-03T22:22:15Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:29.890052Z"}],"nvd":[{"id":"CVE-2024-49369","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","status":"published","published":"2024-11-12T17:15:08.25Z","modified":"2026-06-17T07:59:46.91Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:10:36.931115Z"}],"osv":[{"id":"CVE-2024-49369","title":"Icinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API Connections","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","status":"published","published":"2024-11-12T16:44:01.713Z","modified":"2026-10-28T10:51:38.368666658Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:44:43.597758Z"},{"id":"DEBIAN-CVE-2024-49369","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","status":"published","published":"2024-11-12T17:15:08.25Z","modified":"2026-11-02T12:03:04.578127973Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:43.798789Z"},{"id":"UBUNTU-CVE-2024-49369","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was flawed, allowing an attacker to impersonate both trusted cluster nodes as well as any API users that use TLS client certificates for authentication (ApiUser objects with the client_cn attribute set). This vulnerability has been fixed in v2.14.3, v2.13.10, v2.12.11, and v2.11.12.","status":"published","published":"2024-11-12T17:15:00Z","modified":"2025-10-24T05:13:15Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:06.818511Z"},{"id":"DLA-3953-1","title":"icinga2 - security update","status":"published","published":"2024-11-16T00:00:00Z","modified":"2026-03-09T01:23:14.428478Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"openSUSE-SU-2024:0371-1","title":"Security update for icinga2","description":"This update for icinga2 fixes the following issues:\n\nUpdate to 2.13.10:\n\n- CVE-2024-49369: Fix TLS certificate validation bypass (bsc#1233310).\n","status":"published","published":"2024-11-21T14:37:13Z","modified":"2026-02-04T02:41:11.796357Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"openSUSE-SU-2024:0372-1","title":"Security update for icinga2","description":"This update for icinga2 fixes the following issues:\n\nUpdate to 2.13.10:\n\n- CVE-2024-49369: Fix TLS certificate validation bypass (bsc#1233310).\n","status":"published","published":"2024-11-21T14:37:26Z","modified":"2026-02-04T03:34:50.637839Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"openSUSE-SU-2024:14493-1","title":"icinga2-2.14.3-1.1 on GA media","description":"These are all security issues fixed in the icinga2-2.14.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-11-14T00:00:00Z","modified":"2026-02-04T04:30:01.484098Z","updated_at":"2026-11-02T16:58:36.976155Z"}]}}