CVE-2021-39916

Description

Lack of an access control check in the External Status Check feature allowed any authenticated user to retrieve the configuration of any External Status Check in GitLab EE starting from 14.1 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/343379 broken link
https://hackerone.com/reports/1372216 third party advisory permissions required
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39916.json vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-39916?
CVE-2021-39916 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39916?
To fix CVE-2021-39916, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-39916 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-39916 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-39916?
CVE-2021-39916 affects GitLab GitLab.
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