Medium severity · published Apr 26, 2024
CVE-2024-4182
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an…
4.3
CVSS
0.6%
EPSS
No
On KEV
Description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
9.6.0; 9.5.0 through 9.5.2; 9.4.0 through 9.4.4; 8.1.0 through 8.1.11 · source: vendor, CISA
MS
Mattermost Server · Mattermost
8.1.0 before 8.1.12; 9.4.0 before 9.4.5; 9.5.0 before 9.5.3; 9.6.0 before 9.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4182
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4182
Vendor Advisory
https://mattermost.com/security-updates
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