CVE-2021-39876
MEDIUMCVSS 4.3/10EPSS 0.80%
Last modified
CVE-2021-39876 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In all versions of GitLab CE/EE since version 11.3, the endpoint for auto-completing Assignee discloses the members of private groups.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
Description
In all versions of GitLab CE/EE since version 11.3, the endpoint for auto-completing Assignee discloses the members of private groups.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 11.3, < 14.1.7 |
| Gitlab | Gitlab | >= 11.3.0, < 14.1.7 |
| Gitlab | Gitlab | >= 14.2, < 14.2.5 |
| Gitlab | Gitlab | >= 14.3.0, < 14.3.1 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/29683Exploit, Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/627507Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/29683Exploit, Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/627507Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-39876?
In all versions of GitLab CE/EE since version 11.3, the endpoint for auto-completing Assignee discloses the members of private groups.
How severe is CVE-2021-39876?
CVE-2021-39876 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39876?
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.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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Are you affected by CVE-2021-39876?
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