CVE-2023-3581

low-risk
Published 2023-07-17

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.2/10 Medium
PHYSICAL / LOW complexity

Affected Products (1)

Affected Vendors

Mattermost

References (2)

Vendor Advisory https://mattermost.com/security-updates
Vendor Advisory https://mattermost.com/security-updates
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal