Veracode Vulnerability DatabaseVERACODE:42816Missing Authorization
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
0.001 Low
EPSS
Percentile
43.5%
The Mattermost is vulnerable to Missing Authorization. The vulnerability is due to not invalidating existing authorization codes when deauthorizing an OAuth2 app. This can result in attacker generating an access token by leveraging the existing authorization codes.
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
0.001 Low
EPSS
Percentile
43.5%