Mattermost <9.5.3/8.1.12 Role Validation Bypass Promotes Guest to Admin
CVE-2024-4195 Published on April 26, 2024

Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.

NVD

Vulnerability Analysis

CVE-2024-4195 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2024-4195 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2024-4195

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Mattermost Server
 
MatterMost
 

Affected Versions

Mattermost: jenkins mattermost:

Exploit Probability

EPSS
0.14%
Percentile
33.58%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.