VULNERABILITY INTELLIGENCE

CVE-2021-37863

CVSS score3.5 LOW
EPSS probability0.86%
CISA KEVNot currently listed
Published2021-12-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Description

Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-20
  • nvd@nist.gov: CWE-20

Primary references