CVE-2017-18889 Information

Description

An issue was discovered in Mattermost Server before 4.3.0 4.2.1 and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands in the v3 or v4 REST API.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3