CVE-2021-39896

CVSS 3.8 LOWEPSS 0.6%

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.8EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Oct 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may be logged in as the second user they impersonated, which may lead to repudiation issues.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Affected products

GitLab · GitLab

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References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39896.json https://gitlab.com/gitlab-org/gitlab/-/issues/339362