CVE-2021-37864

low-risk
Published 2022-01-18

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the 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
2
CVSS 2.6/10 Low
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Mattermost

References (2)

Vendor Advisory https://mattermost.com/security-updates/
Vendor Advisory https://mattermost.com/security-updates/
16
/ 100
low-risk
Severity 10/34 · Low
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal