{"id":"CVE-2020-13881","aliases":["DEBIAN-CVE-2020-13881","DLA-2239-1","DLA-2730-1","EUVD-2020-6089","GHSA-gm22-vmf2-hwxg","UBUNTU-CVE-2020-13881","USN-4521-1"],"status":"published","title":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog...","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01715,"percentile":0.77744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-532"],"published":"2020-06-06T18:18:36Z","modified":"2026-10-20T13:49:48Z","fixes":[{"ecosystem":"Debian:8","package":"libpam-tacplus","fixed_in":["1.3.8-2+deb8u1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"libpam-tacplus","fixed_in":["1.3.8-2+deb9u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"libpam-tacplus","fixed_in":["1.3.8-2+deb8u1build0.16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"libpam-tacplus","fixed_in":["1.3.8-2+deb8u1build0.18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"libpam-tacplus","fixed_in":["1.3.8-2+deb8u1build0.20.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:8","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Debian:9","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb9u1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1build0.16.04.1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1build0.18.04.1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1build0.20.04.1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.8-2.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1build0.16.04.1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1build0.18.04.1"}]}],"versions":["1.3.8-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libpam-tacplus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.8-2+deb8u1build0.20.04.1"}]}],"versions":["1.3.8-2"]}],"products":[{"vendor":"arista","product":"cloudvision_portal"},{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"pam_tacplus_project","product":"pam_tacplus"}],"references":[{"url":"https://github.com/kravietz/pam_tacplus/issues/149","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2020/06/08/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","fix"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00007.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/11705-security-advisory-50","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://usn.ubuntu.com/4521-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13881"},{"url":"https://github.com/advisories/GHSA-gm22-vmf2-hwxg"},{"url":"https://ubuntu.com/security/CVE-2020-13881","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2020/06/08/1","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4521-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-13881","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-13881","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","status":"published","published":"2020-06-06T18:18:36Z","modified":"2024-08-04T12:32:14.18Z","updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2020-6089","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","status":"published","published":"2020-06-06T18:18:36Z","modified":"2024-08-04T12:32:14Z","updated_at":"2026-11-03T03:07:36.182524Z"}],"ghsa":[{"id":"GHSA-gm22-vmf2-hwxg","title":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog...","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","status":"published","published":"2022-05-24T17:19:28Z","modified":"2023-01-29T05:03:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2020-13881","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","status":"published","published":"2020-06-06T19:15:09.61Z","modified":"2026-06-17T02:53:49.723Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T14:06:05.962132Z"}],"osv":[{"id":"CVE-2020-13881","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","status":"published","published":"2020-06-06T19:15:09.61Z","modified":"2026-10-20T13:49:48.547380672Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"UBUNTU-CVE-2020-13881","description":"In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.","status":"published","published":"2020-06-06T19:15:00Z","modified":"2026-02-04T03:51:43.043121Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:22.804634Z"},{"id":"DLA-2239-1","title":"libpam-tacplus - security update","status":"published","published":"2020-06-08T00:00:00Z","modified":"2026-03-09T01:21:40.397074Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"DLA-2730-1","title":"libpam-tacplus - security update","status":"published","published":"2021-08-04T00:00:00Z","modified":"2026-03-09T01:21:53.261945Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"USN-4521-1","title":"libpam-tacplus vulnerability","description":"It was discovered that pam_tacplus did not properly manage shared secrets\nif DEBUG loglevel and journald are used. A remote attacker could use this\nissue to expose sensitive information.\n\n","status":"published","published":"2020-09-21T14:33:33Z","modified":"2026-04-27T15:42:02.647325Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}