VULNERABILITY INTELLIGENCE

CVE-2023-5330

CVSS score4.3 MEDIUM
EPSS probability0.60%
CISA KEVNot currently listed
Published2023-10-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Description

Mattermost fails to enforce a limit for the size of the cache entry for OpenGraph data allowing an attacker to send a specially crafted request to the /api/v4/opengraph filling the cache and turning the server unavailable.

Weakness classification

  • responsibledisclosure@mattermost.com: CWE-400
  • nvd@nist.gov: CWE-770

Primary references