CVE-2021-39890

9.8 criticalEPSS 1.1%

Critical (9.8) in gitlab gitlab. EPSS 1.1% chance of exploitation in the next 30 days.

It was possible to bypass 2FA for LDAP users and access some specific pages with Basic Authentication in GitLab 14.1.1 and above.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2021-12-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19