VULNERABILITY INTELLIGENCE

CVE-2019-20844

CVSS score6.5 MEDIUM
EPSS probability0.43%
CISA KEVNot currently listed
Published2020-06-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Description

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.

Weakness classification

  • CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel

Primary references