{"id":"CVE-2020-13356","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-13356","generatedAt":"2026-10-28T00:33:12.678Z","title":"A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server.","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: >=8.8.9, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.","published":"2020-11-19T00:15:12.000Z","lastModified":"2026-06-17T02:53:01.000Z","status":"Modified","sourceIdentifier":"cve@gitlab.com","cvss":{"version":"3.1","score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},"cwe":[],"affected":["gitlab/gitlab"],"epss":{"score":0.01785,"percentile":0.78163,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json","tags":["Vendor Advisory"],"source":"cve@gitlab.com"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/230878","tags":["Broken Link"],"source":"cve@gitlab.com"},{"url":"https://hackerone.com/reports/927953","tags":["Permissions Required","Third Party Advisory"],"source":"cve@gitlab.com"},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13356.json","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/230878","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/927953","tags":["Permissions Required","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-13356","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}