CVE-2023-6459

low-risk
Published 2023-12-06

Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.

Do I need to act?

-
0.49% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Mattermost

References (2)

Vendor Advisory https://mattermost.com/security-updates
Vendor Advisory https://mattermost.com/security-updates
28
/ 100
low-risk
Severity 21/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal