Vulnerability in GitLab
CVE-2021-39891
In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- GitLab — versions >=8.0, <14.1.7, >=14.2, <14.2.5, >=14.3, <14.3.1
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/335137 (Broken Link)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39891?
- CVE-2021-39891 is a medium-severity vulnerability in GitLab, classified under Improper Removal of Sensitive Information Before Storage or Transfer. CVSS score: 5.9/10. Published 2021-10-05.
- How severe is CVE-2021-39891?
- Medium severity. CVSS v3 base score is 5.9 out of 10.