High severity · published Jan 16, 2025
CVE-2025-20630
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…
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Mattermost Mobile · Mattermost
before 2.23.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20630
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20630
Vendor Advisory
https://mattermost.com/security-updates
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