CVE-2019-7550 Information

Description

In JForum 2.1.8 an unauthenticated remote attacker can enumerate whether a user exists by using the \create user\ function. If a register/check/username?username= request corresponds to a username that exists then an \is already in use\ error is produced. NOTE: this product is discontinued.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://www.criticalstart.com/2019/02/information-disclosure-in-jforum-2-1-x-syntax/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3