CVE-2017-18897 Information

Description

An issue was discovered in Mattermost Server before 4.2.0 4.1.1 and 4.0.5 when used as an OAuth 2.0 service provider. It mishandles a deny action for a redirection.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1