CVE-2024-43392: Phoenix Contact: Firewall reconfiguration through the FW_environment variables in MGUARD devices
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 FWINCOMING.FROMIP FWINCOMING.INIP FWOUTGOING.FROMIP FWOUTGOING.INIP environment variable which can lead to a DoS.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-43392?
CVE-2024-43392 has a low severity rating, indicating that it poses minimal risk to affected systems.
How do I fix CVE-2024-43392?
To fix CVE-2024-43392, update the firmware of affected Phoenixcontact TC Mguard devices to the latest version beyond 8.9.3.
Which devices are affected by CVE-2024-43392?
CVE-2024-43392 affects multiple versions of Phoenixcontact TC Mguard devices, including the RS2000 and RS4000 models running firmware versions prior to 8.9.3.
Can CVE-2024-43392 be exploited remotely?
Yes, CVE-2024-43392 can be exploited by low privileged remote attackers to execute configuration changes on the firewall services.
What types of changes can be made due to CVE-2024-43392?
An attacker exploiting CVE-2024-43392 can change critical configurations such as packet filtering, packet forwarding, and NAT settings.