CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
9.0%
github.com/mattermost/mattermost-server is vulnerable to a Denial of Service. The vulnerability is due to missing limits on the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.