CVE-2021-43206 Information

Description

A server-generated error message containing sensitive information in Fortinet FortiOS 7.0.0 through 7.0.3 6.4.0 through 6.4.8 6.2.x 6.0.x and FortiProxy 7.0.0 through 7.0.1 2.0.x allows malicious webservers to retrieve a web proxy’s client username and IP via same origin HTTP requests triggering proxy-generated HTTP status codes pages.

CVSS Vector

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

Reference

https://fortiguard.com/psirt/FG-IR-21-231

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

4.3