CVE-2021-39899 Information

Description

In all versions of GitLab CE/EE an attacker with physical access to a user’s machine may brute force the user’s password via the change password function. There is a rate limit in place but the attack may still be conducted by stealing the session id from the physical compromise of the account and splitting the attack over several IP addresses and passing in the compromised session value from these various locations.

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39899.json https://gitlab.com/gitlab-org/gitlab/-/issues/339154

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.2