CVE-2024-24988

Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to sendmultiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
MattermostCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA-ADPADP
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
mattermostmattermost_server
𝑥
< 8.1.8
mattermostmattermost_server
9.0.0 ≤
𝑥
< 9.1.5
mattermostmattermost_server
9.2.0 ≤
𝑥
< 9.2.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mattermost.com/security-updates
https://mattermost.com/security-updates