{"id":"CVE-2020-5415","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-5415","generatedAt":"2026-10-27T20:21:48.800Z","title":"Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse…","description":"Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team. GitLab groups do not have this vulnerability, so GitLab users may be moved into groups which are then configured in the Concourse team.","published":"2020-08-12T17:15:13.000Z","lastModified":"2026-06-17T03:21:27.000Z","status":"Modified","sourceIdentifier":"security@pivotal.io","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N"},"cwe":["CWE-290"],"affected":["pivotal software/concourse"],"epss":{"score":0.01217,"percentile":0.6841,"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 (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj","tags":["Patch","Third Party Advisory"],"source":"security@pivotal.io"},{"url":"https://tanzu.vmware.com/security/cve-2020-5415","tags":["Third Party Advisory"],"source":"security@pivotal.io"},{"url":"https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tanzu.vmware.com/security/cve-2020-5415","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5415","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."}