Medium severity · published Jan 15, 2025
CVE-2025-21083
Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% 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-2025-21083
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21083
Vendor Advisory
https://mattermost.com/security-updates
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