VULNERABILITY INTELLIGENCE

CVE-2024-39830

CVSS score8.1 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2024-07-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-287
  • nvd@nist.gov: CWE-203

Primary references