Veracode Vulnerability DatabaseVERACODE:45198Authentication Bypass
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
39.1%
Authentik is vulnerable to Authentication Bypass. The vulnerability is due to improper validation of the code_challenge parameter from the PKCE authorization request. This issue can be exploited by an attacker by removing the code_challenge parameter resulting in authentication downgrade.
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
39.1%