Description

Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to check if a file has been deleted when creating a bookmark which allows an attacker who knows the IDs of deleted files to obtain metadata of the files via bookmark creation.

Classification

CVE ID: CVE-2025-2424

CVSS Base Severity: LOW

CVSS Base Score: 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Products

Vendor: Mattermost

Product: Mattermost

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.24% (scored less or equal to compared to others)

EPSS Date: 2025-04-16 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-2424
https://mattermost.com/security-updates

Timeline