What’s Vulnerable › Vulnerabilities

CVE-2021-22213

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-08 · updated 2026-06-17

Description

A cross-site leak vulnerability in the OAuth flow of all versions of GitLab CE/EE since 7.10 allowed an attacker to leak an OAuth access token by getting the victim to visit a malicious page with Safari

Affected products

• GitLab: from 7.10.0 before 13.10.5; from 13.11.0 before 13.11.5; from 13.12.0 before 13.12.2 — fixed in 13.10.5, 13.11.5, 13.12.2

How to fix

Upgrade to a fixed version: GitLab 13.10.5, 13.11.5, 13.12.2. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22213.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/300308
• https://hackerone.com/reports/1089277
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22213.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/300308
• https://hackerone.com/reports/1089277

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