High severity · published Aug 1, 2024
CVE-2024-41144
Malicious remote can create/update/delete arbitrary posts in arbitrary channels
7.1
CVSS
0.4%
EPSS
No
On KEV
Description
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validate synced posts, when shared channels are enabled, which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
9.9.0; 9.5.0 through 9.5.6; 9.7.0 through 9.7.5; 9.8.0 through 9.8.1 · source: vendor
MS
Mattermost Server · Mattermost
9.5.0 before 9.5.7; 9.7.0 before 9.7.6; 9.8.0 before 9.8.2; 9.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-41144
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-41144
Vendor Advisory
https://mattermost.com/security-updates
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