CVE-2019-20844 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Reference

https://mattermost.com/security-updates/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5