Vulnerability Database

308,681

Total vulnerabilities in the database

CVE-2021-39896

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may be logged in as the second user they impersonated, which may lead to repudiation issues.

  • Published: Oct 4, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-39896
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 3.8
  • AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5.5
  • AV:N/AC:L/Au:S/C:P/I:P/A:N

No CWE or OWASP classifications available.

Software From Fixed in
gitlab / gitlab 14.3 14.3.1
gitlab / gitlab 14.2 14.2.5
gitlab / gitlab 8.0.0 14.1.7