{"cve":"CVE-2020-13272","nvd":{"published":"2020-06-19T22:15:12.773","modified":"2026-06-17T02:52:49.977","status":"Modified","description":"OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-345"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13272.json","https://gitlab.com/gitlab-org/gitlab/-/issues/37038","https://hackerone.com/reports/743556","https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13272.json","https://gitlab.com/gitlab-org/gitlab/-/issues/37038"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-13272","score":0.00579,"percentile":0.47653,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}