CVE-2021-39899

MEDIUM
4.2
CVSS Score
Published: October 4, 2021 at 04:47 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorGitLab

Using GitLab by GitLab?

Get instant alerts when new vulnerabilities affect GitLab - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.2
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 14.1.7v < 14.2.5v < 14.3.11.0.0 ≤ v < 14.1.714.2 ≤ v < 14.2.514.3 ≤ v < 14.3.1
Affected range stops below 14.1.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.3.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-640

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card