{"id":"CVE-2021-32743","aliases":["DEBIAN-CVE-2021-32743","DLA-2816-1","DLA-3953-1","EUVD-2021-19515","GHSA-wrpw-pmr8-qgj7","UBUNTU-CVE-2021-32743","openSUSE-SU-2021:1089-1","openSUSE-SU-2024:10856-1"],"status":"published","title":"Passwords used to access external services inadvertently exposed through API","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01803,"percentile":0.78809,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-202"],"published":"2021-07-15T16:05:12Z","modified":"2026-10-24T10:50:24Z","fixes":[{"ecosystem":"Debian:12","package":"icinga2","fixed_in":["2.12.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"icinga2","fixed_in":["2.12.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"icinga2","fixed_in":["2.12.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0-2+deb9u2"}]}],"versions":["2.6.0-2","2.6.0-2+deb9u1"],"bundled":3},{"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":"Ubuntu:25.10","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14.5-1","2.14.6-1","2.15.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.15.1-1","2.16.1-1","2.16.3-1","2.16.4-1build1","2.16.5-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.15.0-1","2.15.1-1"]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-bp153.2.5.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP2","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-bp153.2.5.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP3","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-bp153.2.5.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-bp153.2.5.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.5-bp153.2.5.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.1-1.3"}]}],"bundled":7}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"icinga","product":"icinga"},{"vendor":"icinga","product":"icinga2"}],"references":[{"url":"https://github.com/Icinga/icinga2/security/advisories/GHSA-wrpw-pmr8-qgj7","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://icinga.com/blog/2021/07/15/releasing-icinga-2-12-5-and-2-11-10/","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","evidence","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00010.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/11/msg00010.html","tags":["web"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-32743","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-32743","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32743","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AG46DROWC4ZEVBNIZC5IYVVFYH4FMFCS/","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29663","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32743","tags":["web"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16933","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-6534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14004","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-37698","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-32743","title":"Passwords used to access external services inadvertently exposed through API","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","status":"published","published":"2021-07-15T16:05:12Z","modified":"2025-11-03T21:44:46.082Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-202"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19515","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","status":"published","published":"2021-07-15T16:05:12Z","modified":"2025-11-03T21:44:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:31.7352Z"}],"nvd":[{"id":"CVE-2021-32743","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","status":"published","published":"2021-07-15T16:15:09.62Z","modified":"2026-06-17T03:53:32.543Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-202"],"updated_at":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"CVE-2021-32743","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","status":"published","published":"2021-07-15T16:15:09.62Z","modified":"2026-10-24T10:50:24.424175894Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"DEBIAN-CVE-2021-32743","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","status":"published","published":"2021-07-15T16:15:09.62Z","modified":"2026-10-23T18:03:14.832450034Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-32743","description":"Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.","status":"published","published":"2021-07-15T16:15:00Z","modified":"2026-10-17T12:55:47.179000466Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:27.332852Z"},{"id":"DLA-2816-1","title":"icinga2 - security update","status":"published","published":"2021-11-10T00:00:00Z","modified":"2026-03-09T01:18:24.54256Z","updated_at":"2026-11-02T15:46:11.189256Z"},{"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-2021:1089-1","title":"Security update for icinga2","description":"This update for icinga2 fixes the following issues:\n\nicinga2 was updated to 2.12.5:\n\n  Version 2.12.5 fixes two security vulnerabilities that may lead\n  to privilege escalation for authenticated API users.\n  Other improvements include several bugfixes related to downtimes,\n  downtime notifications, and more reliable connection handling.\n\n  * Security\n\n    - Don't expose the PKI ticket salt via the API. This may lead\n      to privilege escalation for authenticated API users by them\n      being able to request certificates for other identities\n      (CVE-2021-32739)\n\n    - Don't expose IdoMysqlConnection, IdoPgsqlConnection, and\n      ElasticsearchWriter passwords via the API\n      (CVE-2021-32743)\n\n    Depending on your setup, manual intervention beyond installing\n    the new versions may be required, so please read the more\n    detailed information in the release blog post carefully.\n\n  * Bugfixes\n\n    - Don't send downtime end notification if downtime hasn't\n      started #8878\n    - Don't let a failed downtime creation block the others #8871\n    - Support downtimes and comments for checkables with long names\n      #8870\n    - Trigger fixed downtimes immediately if the current time\n      matches (instead of waiting for the timer) #8891\n    - Add configurable timeout for full connection handshake #8872\n  * Enhancements\n    - Replace existing downtimes on ScheduledDowntime change #8880\n    - Improve crashlog #8869\n","status":"published","published":"2021-07-24T18:06:03Z","modified":"2026-02-04T02:25:44.099337Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:10856-1","title":"icinga2-2.13.1-1.3 on GA media","description":"These are all security issues fixed in the icinga2-2.13.1-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:34:04.697166Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}