What’s Vulnerable › Vulnerabilities

CVE-2021-22168

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-15 · updated 2026-06-17
• Weakness: CWE-400

Description

A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.

Affected products

• GitLab: from 12.8.0 before 13.5.6; from 13.6.0 before 13.6.4; from 13.7.0 before 13.7.2 — fixed in 13.5.6, 13.6.4, 13.7.2

How to fix

Upgrade to a fixed version: GitLab 13.5.6, 13.6.4, 13.7.2. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22168.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/289950
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22168.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/289950

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