Authentication Bypass

2023-07-0709:09:18

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

authentication bypass

cryptkey.php

key exposure

sensitive information

software vulnerability

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

44.5%

JSON

league/oauth2-server is vulnerable to authentication bypass. The vulnerability exists in the LogicException parameter of CryptKey.php when the key is passed as a string due to key exposure in the exception message, which allows an attacker to bypass authentication mechanisms and access sensitive information in the system.