CSRF in Gitlab

CVE-2023-1965

An issue has been discovered in GitLab EE affecting all versions starting from 14.2 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. Lack of verification on RelayState parameter allowed a maliciously crafted URL to obtain access tokens granted for 3rd party Group SAML SSO logins. This feature isn't enabled by default.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

  • Gitlab — versions >=14.2, <15.9.6, >=15.10, <15.10.5, >=15.11, <15.11.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-1965?
CVE-2023-1965 is a medium-severity vulnerability in Gitlab, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.8/10. Published 2023-05-03.
How severe is CVE-2023-1965?
Medium severity. CVSS v3 base score is 6.8 out of 10.