Resource exhaustion in Gitlab

CVE-2021-22210

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2. When querying the repository branches through API, GitLab was ignoring a query parameter and returning a considerable amount of results.

EPSS: 0.011 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Gitlab — versions >=13.11, <13.11.2, >=13.10, <13.10.4, >=13.2, <13.9.7

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-22210?
CVE-2021-22210 is a medium-severity vulnerability in Gitlab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2021-05-06.
How severe is CVE-2021-22210?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-22210 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.