What is CVE-2021-39896?

CVE-2021-39896 is a low-severity vulnerability in Gitlab. CVSS score: 3.8/10. Published 2021-10-04.

How severe is CVE-2021-39896?

Low severity. CVSS v3 base score is 3.8 out of 10.

Vulnerability in Gitlab

CVE-2021-39896

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.

EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

Affected products

Gitlab — versions >=8.0, <14.1.7, >=14.2, <14.2.5, >=14.3, <14.3.1

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39896?: CVE-2021-39896 is a low-severity vulnerability in Gitlab. CVSS score: 3.8/10. Published 2021-10-04.
How severe is CVE-2021-39896?: Low severity. CVSS v3 base score is 3.8 out of 10.