PT-2025-4149 · Mattermost · Mattermost Mobile

C0Rydoras · Published 2025-01-16 · Updated 2025-01-18 · CVE-2025-20630

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Mattermost Mobile versions <=2.22.0

Description The issue arises from the improper handling of posts with attachments that contain fields which cannot be converted to a string. This allows an attacker to cause the mobile application to crash by creating and sending such a post to a channel.

Recommendations For Mattermost Mobile versions <=2.22.0, update to a version higher than 2.22.0 to resolve the issue. As a temporary workaround, consider avoiding the use of attachments with fields that cannot be cast to a string in posts to prevent the application from crashing.

Fix

DoS

Weakness Enumeration

CWE-1287

Related Identifiers

CVE-2025-20630

Affected Products

Mattermost Mobile

References · 6

• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-20630 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20630 · Security Note
• https://t.me/cvedetector/15604 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1879981873616556260 · Twitter Post
• https://twitter.com/CVEnew/status/1880625656289222913 · Twitter Post