CVE-2025-20630

7.5 highEPSS 0.6%

High (7.5) in mattermost mattermost mobile. EPSS 0.6% chance of exploitation in the next 30 days.

Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-1287
Published: 2025-01-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mattermost:mattermost_mobile

References

https://mattermost.com/security-updates

Check your stack JSON