CVE-2018-21263 Information

Description

An issue was discovered in Mattermost Server before 4.7.0 4.6.2 and 4.5.2. An attacker could authenticate to a different user’s account via a crafted SAML response.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8