Mattermost <=9.10 Improper perm enforcement lets read only users write to teams
CVE-2024-42497 Published on August 22, 2024

Insufficient permissions checks on teams
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to properly enforce permissions which allows a user with systems manager role with read-only access to teams to perform write operations on teams.

NVD

Vulnerability Analysis

CVE-2024-42497 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 a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

HIGH

User Interaction:

NONE

Scope:

UNCHANGED

Confidentiality Impact:

HIGH

Integrity Impact:

LOW

Availability Impact:

LOW

Weakness Type

What is an Authorization Vulnerability?

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

CVE-2024-42497 has been classified to as an Authorization vulnerability or weakness.

Products Associated with CVE-2024-42497

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Mattermost Server

MatterMost

Affected Versions

Mattermost:

Version 9.9.0, <= 9.9.1 is affected.
Version 9.5.0, <= 9.5.7 is affected.
Version 9.10.0 is affected.
Version 9.8.0, <= 9.8.2 is affected.
Version 9.11.0 is unaffected.
Version 9.9.2 is unaffected.
Version 9.5.8 is unaffected.
Version 9.10.1 is unaffected.
Version 9.8.3 is unaffected.

mattermost:

Version 9.9.0, <= 9.9.1 is affected.
Version 9.5.0, <= 9.5.7 is affected.
Version 9.10.0 is affected.
Version 9.8.0, <= 9.8.2 is affected.

Exploit Probability

EPSS

0.09%

Percentile

25.78%

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.