CVE-2017-18883 Information

Description

An issue was discovered in Mattermost Server before 4.3.0 4.2.1 and 4.1.2 when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

9.1