CVE-2021-39888

low-risk
Published 2021-10-05

In all versions of GitLab EE starting from 13.10 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 a specific API endpoint may reveal details about a private group and other sensitive info inside issue and merge request templates.

Do I need to act?

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0.26% 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 (6)

Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39888.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/336446
Permissions Required https://hackerone.com/reports/1255128
Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39888.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/336446
Permissions Required https://hackerone.com/reports/1255128
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low