Low Privilege Attacker Can Conduct Configuration Changes Leading to Denial of Service
CVE-2024-43391

8.1HIGH

Key Information:

Vendor
Phoenix Contact
Status
Fl Mguard 2102
Fl Mguard 2105
Fl Mguard 4102 Pci
Fl Mguard 4102 Pcie
Vendor
CVE Published:
10 September 2024

Summary

A vulnerability exists in the firewall services of Vendor X products that enables low privileged remote attackers to alter critical configurations. This can include changes to packet filtering, forwarding, network access controls, and network address translation (NAT). By manipulating the FW_PORTFORWARDING.SRC_IP environment variable, attackers can disrupt service operations, leading to a denial of service (DoS) condition. This presents significant risks for network integrity and availability.

Affected Version(s)

FL MGUARD 2102 0 < 10.4.1

FL MGUARD 2105 0 < 10.4.1

FL MGUARD 4102 PCI 0 < 10.4.1

References

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Andrea Palanca
Nozomi Networks Security Research Team
.