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CVE-2021-39883

MEDIUMCVSS 4.3/10EPSS 0.75%

Last modified

CVE-2021-39883 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Improper authorization checks in all versions of GitLab EE starting from 13.11 before 14.1.7, all versions starting from 14.2 before 14.2.5, and all versions starting from 14.3 before 14.3.1 allows subgroup members to see epics from all parent subgroups.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

Improper authorization checks in all versions of GitLab EE starting from 13.11 before 14.1.7, all versions starting from 14.2 before 14.2.5, and all versions starting from 14.3 before 14.3.1 allows subgroup members to see epics from all parent subgroups.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
GitlabGitlab>= 13.11.0, < 14.1.7
GitlabGitlab>= 14.2.0, < 14.2.5
GitlabGitlab14.3.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-39883?
Improper authorization checks in all versions of GitLab EE starting from 13.11 before 14.1.7, all versions starting from 14.2 before 14.2.5, and all versions starting from 14.3 before 14.3.1 allows subgroup members to see epics from all parent subgroups.
How severe is CVE-2021-39883?
CVE-2021-39883 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39883?
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-2021-39883?

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

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Source: NVD / NIST