What is CVE-2021-22181?

CVE-2021-22181 is a high-severity vulnerability in Gitlab, classified under Uncontrolled Resource Consumption. CVSS score: 7.7/10. Published 2021-06-11.

How severe is CVE-2021-22181?

High severity. CVSS v3 base score is 7.7 out of 10.

Is CVE-2021-22181 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Gitlab

CVE-2021-22181

A denial of service vulnerability in GitLab CE/EE affecting all versions since 11.8 allows an attacker to create a recursive pipeline relationship and exhaust resources.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (61.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Gitlab — versions >=11.8, <13.10.5, >=13.11, <13.11.5, >=13.12, <13.12.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22181?: CVE-2021-22181 is a high-severity vulnerability in Gitlab, classified under Uncontrolled Resource Consumption. CVSS score: 7.7/10. Published 2021-06-11.
How severe is CVE-2021-22181?: High severity. CVSS v3 base score is 7.7 out of 10.
Is CVE-2021-22181 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.