CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
Mattermost is vulnerable to Improper Authentication. The vulnerability is caused by the use of constant-time comparison for remote cluster tokens, possibly allowing an attacker to retrieve the token during comparison due to the timing discrepancy.