SB2023121449 - Firewall deny policy bypass in FortiOS and FortiProxy 



SB2023121449 - Firewall deny policy bypass in FortiOS and FortiProxy

Published: December 14, 2023

Security Bulletin ID SB2023121449
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2023-47536)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass the firewall deny geolocalisation policy during GeoIP database update.


Remediation

Install update from vendor's website.