Strix
26.1K

CVE-2021-39891

MEDIUMCVSS 4.9/10EPSS 0.87%

Last modified

CVE-2021-39891 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
4.9/10

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

EPSS Probability
0.87%

54.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GitlabGitlab>= 8.0.0, < 14.1.7
GitlabGitlab>= 14.2.0, < 14.2.5
GitlabGitlab>= 14.3.0, < 14.3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2021-39891?
CVE-2021-39891 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39891?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST