Auth bypass in Gitlab

CVE-2020-13313

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. An unauthorized project maintainer could edit the subgroup badges due to the lack of authorization control.

Vulnerability class: Broken Access Control

EPSS: 0.010 (58.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Gitlab — versions >=1.0, <13.1.10, >=13.2, <13.2.8, >=13.3, <13.3.4

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13313?
CVE-2020-13313 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2020-09-14.
How severe is CVE-2020-13313?
Medium severity. CVSS v3 base score is 4.3 out of 10.