PT-2021-22742 · Gitlab · Gitlab Ce/Ee+1

Published 2021-10-04 · Updated 2024-03-06 · CVE-2021-39896

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 8.0 and later

Description The issue arises when an admin uses the impersonate feature twice and then stops impersonating. This may cause the admin to be logged in as the second user they impersonated, potentially leading to repudiation issues.

Recommendations For GitLab CE/EE versions 8.0 and later, update to a version that includes a fix for this issue to prevent potential repudiation issues. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

BIT-GITLAB-2021-39896

CVE-2021-39896

Affected Products

Gitlab

Gitlab Ce/Ee

References · 10

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39896 · Security Note
• https://ubuntu.com/security/CVE-2021-39896 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2021-39896 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39896 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39896 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39896 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/issues/339362 · Note
• https://t.me/cibsecurity/29902 · Telegram Post
• https://t.me/cvenotify/21880 · Telegram Post