{"id":"CVE-2018-1000550","aliases":["DEBIAN-CVE-2018-1000550","DLA-1441-1","DSA-4285-1","EUVD-2018-1939","GHSA-4fwc-r99f-85f4","MGASA-2019-0263","UBUNTU-CVE-2018-1000550","USN-4442-1","USN-4442-2"],"status":"published","title":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal...","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02536,"percentile":0.85057,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2018-06-26T16:00:00Z","modified":"2026-10-24T10:30:40Z","fixes":[{"ecosystem":"Debian:12","package":"sympa","fixed_in":["6.2.32~dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"sympa","fixed_in":["6.2.32~dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"sympa","fixed_in":["6.2.32~dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"sympa","fixed_in":["6.1.23~dfsg-2+deb8u2"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"sympa","fixed_in":["6.2.16~dfsg-3+deb9u1"],"sources":["osv"]},{"ecosystem":"Mageia:6","package":"sympa","fixed_in":["6.2.16-1.1.mga6"],"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"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.32~dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.32~dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.32~dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.23~dfsg-2+deb8u2"}]}],"versions":["6.1.23~dfsg-2","6.1.23~dfsg-2+deb8u1"]},{"source":"osv","ecosystem":"Debian:9","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.16~dfsg-3+deb9u1"}]}],"versions":["6.2.16~dfsg-3"]},{"source":"osv","ecosystem":"Mageia:6","package":"sympa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.16-1.1.mga6"}]}]},{"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: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":"debian","product":"debian_linux"},{"vendor":"sympa","product":"sympa"}],"references":[{"url":"https://sympa-community.github.io/security/2018-001.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix","web","report"]},{"url":"https://www.debian.org/security/2018/dsa-4285","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00033.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://usn.ubuntu.com/4442-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000550"},{"url":"https://github.com/advisories/GHSA-4fwc-r99f-85f4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-1000550","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2019-0263.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23536","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-1000550","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-2018-1000550","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-1000671","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-10936","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-1000550","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2018-06-26T16:00:00Z","modified":"2024-08-05T12:40:47.269Z","updated_at":"2026-11-02T14:35:10.685174Z"}],"euvd":[{"id":"EUVD-2018-1939","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2018-06-26T16:00:00Z","modified":"2024-08-05T12:40:47Z","updated_at":"2026-11-03T02:39:26.268404Z"}],"ghsa":[{"id":"GHSA-4fwc-r99f-85f4","title":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal...","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2022-05-13T01:24:31Z","modified":"2023-02-01T05:07:18Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:50:31.141675Z"}],"nvd":[{"id":"CVE-2018-1000550","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2018-06-26T16:29:02.57Z","modified":"2026-06-17T01:32:53.55Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:04:30.900603Z"}],"osv":[{"id":"CVE-2018-1000550","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2018-06-26T16:29:02.57Z","modified":"2026-10-24T10:30:40.824805332Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:07.192756Z"},{"id":"DEBIAN-CVE-2018-1000550","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2018-06-26T16:29:02.57Z","modified":"2026-10-23T18:03:17.778924837Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-1000550","description":"The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal vulnerability in wwsympa.fcgi template editing function that can result in Possibility to create or modify files on the server filesystem. This attack appear to be exploitable via HTTP GET/POST request. This vulnerability appears to have been fixed in 6.2.32.","status":"published","published":"2018-09-05T00:00:00Z","modified":"2026-02-04T03:06:36.844204Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"DLA-1441-1","title":"sympa - security update","status":"published","published":"2018-07-24T00:00:00Z","modified":"2026-03-09T01:23:07.579151Z","updated_at":"2026-11-02T15:46:09.336894Z"},{"id":"DSA-4285-1","title":"sympa - security update","status":"published","published":"2018-09-05T00:00:00Z","modified":"2026-03-09T02:09:31.829473Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2019-0263","title":"Updated sympa packages fix security vulnerability","description":"Updated sympa packages fix security vulnerability:\n\nMichael Kaczmarczik discovered a vulnerability in the web interface\ntemplate editing function of Sympa, a mailing list manager. Owner and\nlistmasters could use this flaw to create or modify arbitrary files in\nthe server with privileges of sympa user or owner view list config files\neven if edit_list.conf prohibits it (CVE-2018-1000550).\n","status":"published","published":"2019-09-12T19:09:52Z","modified":"2026-06-04T05:30:04.158125285Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"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"}]}}