Tc Mguard Rs4000 4G Vzw Vpn Firmware
CVE-2024-43391
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Primary rating from Vendor (cert) · only source for this CVE.
CVSS VectorVendor: cert
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. 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. Affected products include: Phoenixcontact Tc Mguard Rs4000 4G Vzw Vpn Firmware, Phoenixcontact Tc Mguard Rs4000 4G Vpn Firmware, Phoenixcontact Tc Mguard Rs4000 4G Att Vpn Firmware, Phoenixcontact Tc Mguard Rs4000 3G Vpn Firmware, Phoenixcontact Tc Mguard Rs2000 4G Vzw Vpn Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.
On Phoenix Contact mGuard Devices versions before 8.8.3 LAN ports get functional after reboot even if they are disabled
An low privileged remote attacker can execute OS commands with root privileges due to improper neutralization of special
A low privileged remote attacker with write permissions can reconfigure the SNMP service due to improper input validatio
A low privileged remote attacker can read and write files as root due to improper neutralization of special elements in
A low privileged remote attacker can trigger the execution of arbitrary OS commands as root due to improper neutralizati
A low privileged remote attacker can trigger the execution of arbitrary OS commands as root due to improper neutralizati
A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, pa
A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, pa
A low privileged remote attacker can perform configuration changes of the firewall services, including packet forwarding
A low privileged remote attacker can perform configuration changes of the ospf service through OSPF_INTERFACE.SIMPLE_KEY
A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices be
A low privileged remote attacker can get access to CSRF tokens of higher privileged users which can be abused to mount C
Same weakness CWE-94 – Code Injection
View allSame technique Code Injection
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External POC / Exploit Code
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