CVE-2023-3581

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.2 MEDIUM
PHYSICAL
LOW
HIGH
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
MattermostCNA
6.2 MEDIUM
PHYSICAL
LOW
HIGH
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
VendorProductVersion
mattermostmattermost_server
7.8.0 ≤
𝑥
< 7.8.7
mattermostmattermost_server
7.9.0 ≤
𝑥
< 7.9.5
mattermostmattermost_server
7.10.0 ≤
𝑥
< 7.10.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mattermost.com/security-updates
https://mattermost.com/security-updates