CVE-2021-39883

low-risk
Published 2021-10-04

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.

Do I need to act?

-
0.20% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Gitlab

References (4)

Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39883.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/334279
Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39883.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/334279
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low