CVE-2024-43391 HIGH

CVE-2024-43391: Phoenix Contact: Firewall reconfiguration through the FW_PORTFORWARDING.SRC_IP in MGUARD devices

Vendor Phoenix Contact
Product FL MGUARD 2102
Weakness CWE-94 · Code injection
Published September 10, 2024
Last update August 22, 2025
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network access control or NAT through the FW_PORTFORWARDING.SRC_IP environment variable which can lead to a DoS.

Key dates

02Disclosure timeline

September 10, 2024 CVE published
August 22, 2025 Record updated