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CVE-2025-55035

nvd nist
Published: Oct 16, 2025Modified: Oct 29, 2025

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6.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H
Exploitability: 1.6 / Impact: 4.0
Source: responsibledisclosure@mattermost.com (Secondary)

Description

Mattermost Desktop App versions <=5.13.0 fail to manage modals in the Mattermost Desktop App that stops a user with a server that uses basic authentication from accessing their server which allows an attacker that provides a malicious server to the user to deny use of the Desktop App via having the user configure the malicious server and forcing a modal popup that cannot be closed.

Affected (1)

Mattermost
1 product
Mattermost Desktop
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost Desktop
Before 5.13.1.0

Related CWEs

CWE-754
Improper Check for Unusual or Exceptional Conditions
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

References (1)

Source: responsibledisclosure@mattermost.com
Vendor Advisory

Timeline

No history available yet.