{"id":"CVE-2020-10936","aliases":["DEBIAN-CVE-2020-10936","DLA-2401-1","DSA-4818-1","EUVD-2020-3342","GHSA-cv52-3f6r-76gp","UBUNTU-CVE-2020-10936","USN-4442-1","USN-4442-2"],"status":"published","title":"Sympa before 6.2.56 allows privilege escalation.","description":"Sympa before 6.2.56 allows privilege escalation.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00481,"percentile":0.41752,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2020-05-27T17:38:01Z","modified":"2026-10-26T12:01:17Z","fixes":[{"ecosystem":"Debian:12","package":"sympa","fixed_in":["6.2.40~dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sympa","fixed_in":["6.2.40~dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sympa","fixed_in":["6.2.40~dfsg-5"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"sympa","fixed_in":["6.1.17~dfsg-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"sympa","fixed_in":["6.1.24~dfsg-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"sympa","fixed_in":["6.2.24~dfsg-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"sympa","fixed_in":["6.2.40~dfsg-4ubuntu0.20.04.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.40~dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.40~dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.40~dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.16~dfsg-3+deb9u3"}]}],"versions":["6.2.16~dfsg-3","6.2.16~dfsg-3+deb9u1","6.2.16~dfsg-3+deb9u2"],"bundled":2},{"source":"osv","ecosystem":"Debian:10","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.40~dfsg-1+deb10u1"}]}],"versions":["6.2.40~dfsg-1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.17~dfsg-1ubuntu0.1~esm1"}]}],"versions":["6.1.11~dfsg-5","6.1.17~dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.24~dfsg-1ubuntu0.1~esm1"}]}],"versions":["6.1.24~dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.24~dfsg-1ubuntu0.1~esm1"}]}],"versions":["6.2.18~dfsg-1","6.2.22~dfsg-1","6.2.24~dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.40~dfsg-4ubuntu0.20.04.1~esm1"}]}],"versions":["6.2.40~dfsg-1","6.2.40~dfsg-3","6.2.40~dfsg-4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.17~dfsg-1ubuntu0.1~esm1"}]}],"versions":["6.1.11~dfsg-5","6.1.17~dfsg-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.24~dfsg-1ubuntu0.1~esm1"}]}],"versions":["6.1.24~dfsg-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.24~dfsg-1ubuntu0.1~esm1"}]}],"versions":["6.2.18~dfsg-1","6.2.22~dfsg-1","6.2.24~dfsg-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.40~dfsg-4ubuntu0.20.04.1~esm1"}]}],"versions":["6.2.40~dfsg-1","6.2.40~dfsg-3","6.2.40~dfsg-4"],"bundled":3}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"sympa","product":"sympa"}],"references":[{"url":"https://sysdream.com/news/lab/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/sympa-community/sympa/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://sysdream.com/news/lab/2020-05-25-cve-2020-10936-sympa-privileges-escalation-to-root/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3J4NZLGAF4ZYK52XEBQDTBNHLGBEPXXN/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3TMQ3CORUOWARALACCBG2SBTIGZ5GY5/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://usn.ubuntu.com/4442-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00012.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4818","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10936"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3J4NZLGAF4ZYK52XEBQDTBNHLGBEPXXN/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3TMQ3CORUOWARALACCBG2SBTIGZ5GY5/"},{"url":"https://github.com/advisories/GHSA-cv52-3f6r-76gp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-10936","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-10936","tags":["report"]},{"url":"https://sympa-community.github.io/security/2020-002.html","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4442-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4442-2","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-10936","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-1000550","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-1000671","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-10936","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2020-05-27T17:38:01Z","modified":"2024-08-04T11:21:12.968Z","updated_at":"2026-11-02T14:35:48.213211Z"}],"euvd":[{"id":"EUVD-2020-3342","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2020-05-27T17:38:01Z","modified":"2024-08-04T11:21:12Z","updated_at":"2026-11-03T03:07:48.471313Z"}],"ghsa":[{"id":"GHSA-cv52-3f6r-76gp","title":"Sympa before 6.2.56 allows privilege escalation.","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2022-05-24T17:18:43Z","modified":"2023-01-29T05:04:13Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:29.899073Z"}],"nvd":[{"id":"CVE-2020-10936","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2020-05-27T18:15:12.813Z","modified":"2026-06-17T02:48:42.74Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:04.922138Z"}],"osv":[{"id":"CVE-2020-10936","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2020-05-27T18:15:12.813Z","modified":"2026-10-20T10:50:59.928866381Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:13.492058Z"},{"id":"DEBIAN-CVE-2020-10936","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2020-05-27T18:15:12.813Z","modified":"2026-10-26T12:01:17.268765562Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:32.862554Z"},{"id":"UBUNTU-CVE-2020-10936","description":"Sympa before 6.2.56 allows privilege escalation.","status":"published","published":"2020-05-27T18:15:00Z","modified":"2026-02-04T03:25:06.043467Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:22.212782Z"},{"id":"DLA-2401-1","title":"sympa - security update","status":"published","published":"2020-10-07T00:00:00Z","modified":"2026-03-09T01:23:27.88987Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4818-1","title":"sympa - security update","status":"published","published":"2020-12-23T00:00:00Z","modified":"2026-03-09T02:11:25.465751Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"USN-4442-1","title":"sympa vulnerabilities","description":"Michael Kaczmarczik discovered that Sympa incorrectly handled HTTP\nGET/POST requests. An attacker could possibly use this issue to insert,\nedit or obtain sensitive information. (CVE-2018-1000550)\n\nIt was discovered that Sympa incorrectly handled URL parameters. An\nattacker could possibly use this issue to perform XSS attacks.\n(CVE-2018-1000671)\n\nNicolas Chatelain discovered that Sympa incorrectly handled environment\nvariables. An attacker could possibly use this issue with a setuid\nbinary and gain root privileges. (CVE-2020-10936)\n","status":"published","published":"2020-07-28T19:09:32Z","modified":"2026-02-10T04:41:54Z","updated_at":"2026-11-02T16:58:14.547547Z"},{"id":"USN-4442-2","title":"sympa vulnerabilities","description":"USN-4442-1 fixed vulnerabilities in Sympa. This update provides the\ncorresponding updates for Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu\n20.04 ESM. Original advisory details:\n\nNicolas Chatelain discovered that Sympa incorrectly handled environment\nvariables. An attacker could possibly use this issue with a setuid\nbinary and gain root privileges. (CVE-2020-10936)\n\nMichael Kaczmarczik discovered that Sympa incorrectly handled HTTP\nGET/POST requests. An attacker could possibly use this issue to insert,\nedit or obtain sensitive information. This issue only affected Ubuntu 16.04\nESM and Ubuntu 18.04 ESM. (CVE-2018-1000550)\n\nIt was discovered that Sympa incorrectly handled URL parameters. An\nattacker could possibly use this issue to perform XSS attacks. This issue only\naffected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2018-1000671)\n","status":"published","published":"2021-03-15T22:14:00Z","modified":"2026-06-25T13:30:08.374982433Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}