{"id":"CVE-2021-42326","aliases":["BIT-redmine-2021-42326","DEBIAN-CVE-2021-42326","DLA-2787-1","EUVD-2021-29300","GHSA-6rmc-qmcc-wm8g","UBUNTU-CVE-2021-42326"],"status":"published","title":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due...","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01165,"percentile":0.67705,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2021-10-12T18:08:53Z","modified":"2026-10-24T10:30:17Z","fixes":[{"ecosystem":"Bitnami","package":"redmine","fixed_in":["4.1.5","4.2.3"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"redmine","fixed_in":["5.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"redmine","fixed_in":["5.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"redmine","fixed_in":["5.0.0-1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"redmine","fixed_in":["3.3.1-4+deb9u5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"redmine","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.1.5"},{"introduced":"4.2.0"},{"fixed":"4.2.3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.1-4+deb9u5"}]}],"versions":["3.3.1-4","3.3.1-4+deb9u1","3.3.1-4+deb9u2","3.3.1-4+deb9u3","3.3.1-4+deb9u4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0~20140825-8","3.2.0-1","3.2.0-3","3.2.1-1","3.2.1-2","3.2.1-2ubuntu0.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.1-4","3.4.2-1","3.4.4-1","3.4.4-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"redmine","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.4-1","4.0.4-3","4.0.6-2"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"redmine","product":"redmine"}],"references":[{"url":"https://www.redmine.org/projects/redmine/wiki/Security_Advisories","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory","fix","report"]},{"url":"https://www.redmine.org/news/133","tags":["x_refsource_MISC","x_transferred","Mitigation","Vendor Advisory","advisory","report"]},{"url":"https://www.redmine.org/projects/redmine/wiki/Changelog_4_2#423-2021-10-10","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://www.redmine.org/projects/redmine/wiki/Changelog_4_1#415-2021-10-10","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00013.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42326","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6rmc-qmcc-wm8g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-42326","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-42326","tags":["report"]},{"url":"https://www.redmine.org/projects/redmine/repository/revisions/21209","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-42326","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-42326","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2021-10-12T18:08:53Z","modified":"2024-08-04T03:30:38.434Z","updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-29300","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2021-10-12T18:08:53Z","modified":"2024-08-04T03:30:38Z","updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-6rmc-qmcc-wm8g","title":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due...","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2022-05-24T19:17:16Z","modified":"2023-01-27T05:03:22Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:42:13.826528Z"}],"nvd":[{"id":"CVE-2021-42326","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2021-10-12T19:15:08.047Z","modified":"2026-06-17T04:09:39.147Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-42326","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2021-10-12T19:15:08.047Z","modified":"2026-10-24T10:30:17.998084149Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"DEBIAN-CVE-2021-42326","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2021-10-12T19:15:08.047Z","modified":"2026-10-23T18:04:15.879686013Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:35.799676Z"},{"id":"UBUNTU-CVE-2021-42326","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2021-10-12T19:15:00Z","modified":"2025-10-24T04:50:35Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:29.220315Z"},{"id":"BIT-redmine-2021-42326","description":"Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.","status":"published","published":"2024-03-06T11:04:24.274Z","modified":"2026-09-08T08:48:19.221864409Z","updated_at":"2026-11-02T15:28:35.111822Z"},{"id":"DLA-2787-1","title":"redmine - security update","status":"published","published":"2021-10-18T00:00:00Z","modified":"2026-03-09T01:22:34.708419Z","updated_at":"2026-11-02T15:46:11.189256Z"}]}}