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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (34.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- GitLab — versions >=14.2, <15.9.6, >=15.10, <15.10.5, >=15.11, <15.11.1
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/406235 (Broken Link)
- hackerone.com/reports/1923672 (Permissions Required)
- gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1965.json (Third Party Advisory)
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.