High severity · published Sep 10, 2024
CVE-2024-43390
Phoenix Contact: Firewall reconfiguration due to improper input validation in MGUARD devices
8.1
CVSS
0.5%
EPSS
No
On KEV
Description
A low privileged remote attacker can perform configuration changes of the firewall services, including packet forwarding or NAT through the FW_NAT.IN_IP environment variable which can lead to a DoS.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FM
FL MGUARD 2102 · PHOENIX CONTACT
before 10.4.1 · source: vendor
FM
FL MGUARD 2105 · PHOENIX CONTACT
before 10.4.1 · source: vendor
FM
FL MGUARD 4102 PCI · PHOENIX CONTACT
before 10.4.1 · source: vendor
FM
FL MGUARD 4102 PCIE · PHOENIX CONTACT
before 10.4.1 · source: vendor
FM
FL MGUARD 4302 · PHOENIX CONTACT
before 10.4.1 · source: vendor
FM
FL MGUARD 4305 · PHOENIX CONTACT
before 10.4.1 · source: vendor
FM
FL MGUARD CENTERPORT VPN-1000 · PHOENIX CONTACT
before 8.9.3 · source: vendor
FM
FL MGUARD CORE TX · PHOENIX CONTACT
before 8.9.3 · source: vendor
FM
FL MGUARD CORE TX VPN · PHOENIX CONTACT
before 8.9.3 · source: vendor
FM
FL MGUARD DELTA TX/TX · PHOENIX CONTACT
before 8.9.3 · source: vendor
FM
FL MGUARD DELTA TX/TX VPN · PHOENIX CONTACT
before 8.9.3 · source: vendor
FM
FL MGUARD GT/GT · PHOENIX CONTACT
before 8.9.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-43390
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-43390
Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2024-039
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