Auth bypass in Gitlab

CVE-2020-13263

An authorization issue relating to project maintainer impersonation was identified in GitLab EE 9.5 and later through 13.0.1 that could allow unauthorized users to impersonate as a maintainer to perform limited actions.

Vulnerability class: Broken Access Control

EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Gitlab — versions >=12.10, <12.10.7, 13.0.0, >=13.0, <13.0.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13263?
CVE-2020-13263 is a high-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2020-06-19.
How severe is CVE-2020-13263?
High severity. CVSS v3 base score is 7.5 out of 10.