CVE-2023-2792: Ephemeral messages return private channel contents in permalink previews

6.5 CVSS

Description

Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.

Classification

CVE ID: CVE-2023-2792

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

Affected Products

Vendor: Mattermost

Product: Mattermost

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 28.72% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://mattermost.com/security-updates/

Timeline