Remote Channel Creation Abuse in Mattermost <= 9.9.0
CVE-2024-39837 Published on August 1, 2024
Malicious remote can create arbitrary channels
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.
Vulnerability Analysis
CVE-2024-39837 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 small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2024-39837 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2024-39837
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Affected Versions
Mattermost:- Version 9.9.0 is affected.
- Version 9.5.0, <= 9.5.6 is affected.
- Version 9.10.0 is unaffected.
- Version 9.9.1 is unaffected.
- Version 9.5.7 is unaffected.
Exploit Probability
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.