CVE Catalog

CVE-2023-3585

MediumCVSS 4.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.45%

35th percentile - higher than 35% of all known CVEs

Summary

Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.

Risk Assessment

An attacker can disrupt the functionality of channels in Mattermost, leading to a loss of communication availability within the organization.

Recommendation

It is recommended to update Mattermost to the latest version that fixes the validation of board links.

Original NVD description (English source)

Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS