Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-39889

In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.

Published

2021-10-05T14:15:07.987

Last Modified

2024-11-21T06:20:28.950

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-639

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gitlab	gitlab	< 14.1.7	Yes
Application	gitlab	gitlab	< 14.2.5	Yes
Application	gitlab	gitlab	< 14.3.1	Yes

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json Vendor Advisory ([email protected])
https://gitlab.com/gitlab-org/gitlab/-/issues/338062 Broken Link ([email protected])
https://hackerone.com/reports/1294017 Permissions Required, Third Party Advisory ([email protected])
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gitlab.com/gitlab-org/gitlab/-/issues/338062 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1294017 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)