Vulnerability · Published Jun 8, 2021 · Assigned by GitLab

CVE-2021-22213

High 8.8

In plain English

A high-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.8%top 21.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=7.10, <13.10.5>=13.11, <13.11.5>=13.12, <13.12.2

References

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