VULNERABILITY INTELLIGENCE

CVE-2024-39836

CVSS score4.8 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2024-08-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-693
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references