SB2025031329 - Web application firewall rules bypass in FortiWeb

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Main Vulnerability Database SB2025031329

SB2025031329 - Web application firewall rules bypass in FortiWeb

Published: March 13, 2025

Security Bulletin ID SB2025031329
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2023-42784)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass firewall protection.

The vulnerability exists due to insufficient validation of files. A remote attacker can send a specially crafted HTTP request with an empty filename and bypass implemented firewall rules.


2) Input validation error (CVE-ID: CVE-2024-55594)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass firewall protection.

The vulnerability exists due to insufficient validation of files. A remote attacker can send a specially crafted HTTP request with an empty filename and bypass implemented firewall rules.


Remediation

Install update from vendor's website.

References