Auth bypass in GitLab

CVE-2019-15585

Improper authentication exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) in the GitLab SAML integration had a validation issue that permitted an attacker to takeover another user's account.

Vulnerability class: Broken Authentication

EPSS: 0.016 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15585?
CVE-2019-15585 is a critical-severity vulnerability in GitLab, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-01-28.
How severe is CVE-2019-15585?
Critical severity. CVSS v3 base score is 9.8 out of 10.