{"id":"CVE-2021-32746","aliases":["ALPINE-CVE-2021-32746","DEBIAN-CVE-2021-32746","EUVD-2021-19518","GHSA-cmgc-h4cx-3v43","UBUNTU-CVE-2021-32746"],"status":"published","title":"Possible path traversal by use of the `doc` module","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01306,"percentile":0.7093,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2021-07-12T22:25:11Z","modified":"2026-11-03T06:32:58Z","fixes":[{"ecosystem":"Alpine:v3.15","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"icingaweb2","fixed_in":["2.9.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"icingaweb2","fixed_in":["2.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"icingaweb2","fixed_in":["2.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"icingaweb2","fixed_in":["2.8.4-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.15","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.0-1ubuntu1","2.1.0-1ubuntu1.1","2.1.0-1ubuntu1.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.1-1","2.4.1-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.1-1","2.7.3-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.2-2","2.9.3-1","2.9.4-1","2.9.5-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.11.4-3","2.12.0-1","2.12.1-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2-1","2.12.4-1","2.12.4-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.6-1","2.13.0-1","2.14.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"icingaweb2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.4-2","2.12.5-1","2.12.6-1"]}],"products":[{"vendor":"icinga","product":"icinga"},{"vendor":"icinga","product":"icingaweb2"}],"references":[{"url":"https://github.com/Icinga/icingaweb2/security/advisories/GHSA-cmgc-h4cx-3v43","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://github.com/Icinga/icingaweb2/releases/tag/v2.7.5","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","report"]},{"url":"https://github.com/Icinga/icingaweb2/releases/tag/v2.8.3","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","report"]},{"url":"https://github.com/Icinga/icingaweb2/releases/tag/v2.9.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","report"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-32746","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-32746","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-32746","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32746","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-32746","title":"Possible path traversal by use of the `doc` module","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T22:25:11Z","modified":"2024-08-03T23:33:54.9Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19518","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T22:25:11Z","modified":"2024-08-03T23:33:54Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:35.855495Z"}],"nvd":[{"id":"CVE-2021-32746","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T23:15:07.71Z","modified":"2026-06-17T03:53:32.88Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"ALPINE-CVE-2021-32746","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T23:15:07.71Z","modified":"2026-11-03T06:32:58.474435923Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T07:16:09.603409Z"},{"id":"CVE-2021-32746","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T23:15:07.71Z","modified":"2026-10-24T10:50:24.384165356Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"DEBIAN-CVE-2021-32746","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T23:15:07.71Z","modified":"2026-10-23T18:03:37.602337678Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-32746","description":"Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Between versions 2.3.0 and 2.8.2, the `doc` module of Icinga Web 2 allows to view documentation directly in the UI. It must be enabled manually by an administrator and users need explicit access permission to use it. Then, by visiting a certain route, it is possible to gain access to arbitrary files readable by the web-server user. The issue has been fixed in the 2.9.0, 2.8.3, and 2.7.5 releases. As a workaround, an administrator may disable the `doc` module or revoke permission to use it from all users.","status":"published","published":"2021-07-12T23:15:00Z","modified":"2026-10-17T12:55:47.358702398Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:27.332852Z"}]}}