What’s Vulnerable › Vulnerabilities

CVE-2021-22172

• Severity: medium (CVSS 4.3 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: yes
• Published: 2021-03-26 · updated 2026-06-17
• Weakness: CWE-200

Description

Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page

Affected products

• GitLab: from 12.8.0 before 13.6.6; from 13.7.0 before 13.7.6; from 13.8.0 before 13.8.2 — fixed in 13.6.6, 13.7.6, 13.8.2

How to fix

Upgrade to a fixed version: GitLab 13.6.6, 13.7.6, 13.8.2. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22172.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/212911
• https://hackerone.com/reports/833334
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22172.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/212911
• https://hackerone.com/reports/833334

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