The following table lists the changes that have been made to the
CVE-2025-20621 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.
Jan. 16, 2025
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | Description | Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel. | |
| Added | CVSS V3.1 | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | |
| Added | CWE | CWE-1287 | |
| Added | Reference | https://mattermost.com/security-updates |
CVE ID : CVE-2025-10304 Published : Dec. 3, 2025, 3:27 a.m. | 26 minutes ago Description : The Everest Backup –
CVE ID : CVE-2025-12585 Published : Dec. 3, 2025, 3:27 a.m. | 26 minutes ago Description : The MxChat – AI
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