{"id":"CVE-2020-13311","aliases":["BIT-gitlab-2020-13311","EUVD-2020-5571","GHSA-xg8m-gfp3-4fv6","UBUNTU-CVE-2020-13311"],"status":"published","title":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was...","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01511,"percentile":0.74664,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-706","CWE-74"],"published":"2020-09-14T19:47:00Z","modified":"2026-10-20T10:51:46Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["13.1.10","13.2.8","13.3.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.0"},{"fixed":"13.1.10"},{"introduced":"13.2.0"},{"fixed":"13.2.8"},{"introduced":"13.3.0"},{"fixed":"13.3.4"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/208682","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/224496","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13311.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13311","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xg8m-gfp3-4fv6"},{"url":"https://ubuntu.com/security/CVE-2020-13311","tags":["report"]},{"url":"https://about.gitlab.com/releases/2020/09/02/security-release-gitlab-13-3-3-released/","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-13311","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-13311","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","status":"published","published":"2020-09-14T19:47:00Z","modified":"2024-08-04T12:18:16.661Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-5571","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. 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Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","status":"published","published":"2022-05-24T17:28:14Z","modified":"2023-01-29T05:04:02Z","cwes":["CWE-74"],"updated_at":"2026-11-02T14:45:27.507739Z"}],"nvd":[{"id":"CVE-2020-13311","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","status":"published","published":"2020-09-14T20:15:11.017Z","modified":"2026-06-17T02:52:56.037Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-706"],"updated_at":"2026-11-02T14:06:14.981587Z"}],"osv":[{"id":"CVE-2020-13311","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","status":"published","published":"2020-09-14T20:15:11.017Z","modified":"2026-10-20T10:51:46.90768917Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"UBUNTU-CVE-2020-13311","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","status":"published","published":"2020-09-14T20:15:00Z","modified":"2025-10-24T04:48:30Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:22.804634Z"},{"id":"BIT-gitlab-2020-13311","description":"A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits anyone from accessing the Wiki functionality through the user interface.","status":"published","published":"2024-03-06T11:22:22.43Z","modified":"2026-09-08T08:47:35.389613665Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}