Mattermost <9.10 Fails Permission: Guest Upload Files (CVE-2024-43780)
CVE-2024-43780 Published on August 22, 2024

Unauthorized channel file upload
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.

NVD

Vulnerability Analysis

CVE-2024-43780 is exploitable with network access, and requires small amount of 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:
LOW
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-2024-43780 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2024-43780

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Mattermost Server
 
MatterMost
 

Affected Versions

Mattermost:

Exploit Probability

EPSS
0.21%
Percentile
43.60%

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.