Vulnerability in Gitlab

CVE-2021-22197

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.6 where an infinite loop exist when an authenticated user with specific rights access a MR having source and target branch pointing to each other

EPSS: 0.008 (54.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.

Affected products

  • Gitlab — versions >=10.6, <13.8.7, >=13.9, <13.9.5, >=13.10, <13.10.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-22197?
CVE-2021-22197 is a low-severity vulnerability in Gitlab, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 3.5/10. Published 2021-04-02.
How severe is CVE-2021-22197?
Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2021-22197 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.