CVE-2024-43384: Phoenix Contact Fl Mguard 2102 Firmware vulnerability (CVSS 8.0)

Description

A low privileged remote attacker can gain the root password due to improper removal of sensitive information before storage or transfer.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Phoenix Contact Fl Mguard 2102 Firmware< 10.4.1

Phoenix Contact Fl Mguard 2105 Firmware< 10.4.1

Phoenix Contact Fl Mguard 4102 Pcie Firmware< 10.4.1

Phoenix Contact Fl Mguard 4102 Pci Firmware< 10.4.1

Phoenix Contact Fl Mguard 4302 Firmware< 10.4.1

Phoenix Contact Fl Mguard 4305 Firmware< 10.4.1

Phoenix Contact Fl Mguard Centerport Firmware< 8.9.3

Phoenix Contact Fl Mguard Centerport Vpn-1000 Firmware< 8.9.3

Phoenix Contact Fl Mguard Core Tx Firmware< 8.9.3

Phoenix Contact Fl Mguard Core Tx VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Delta Tx/tx Firmware< 8.9.3

Phoenix Contact Fl Mguard Delta Tx/tx VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Gt/gt Firmware< 8.9.3

Phoenix Contact Fl Mguard Gt/gt VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Pci4000 Firmware< 8.9.3

Phoenix Contact Fl Mguard Pci4000 VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Pcie4000 Firmware< 8.9.3

Phoenix Contact Fl Mguard Pcie4000 VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Rs2000 Tx/tx-b Firmware< 8.9.3

Phoenix Contact Fl Mguard Rs2000 Tx/tx VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Rs2005 Tx VPN Firmware< 8.9.3

Phoenix Contact Fl Mguard Rs4000 Tx/tx Firmware< 8.9.3

Phoenix Contact Fl Mguard Rs4000 Tx/tx-m Firmware< 8.9.3

Phoenix Contact Fl Mguard Rs4000 Tx/tx-p Firmware< 8.9.3

Remediation

Fixed in

Phoenix Contact Fl Mguard 2102 Firmware≥ 10.4.1

Phoenix Contact Fl Mguard 2105 Firmware≥ 10.4.1

Phoenix Contact Fl Mguard 4102 Pcie Firmware≥ 10.4.1

Phoenix Contact Fl Mguard 4102 Pci Firmware≥ 10.4.1

Phoenix Contact Fl Mguard 4302 Firmware≥ 10.4.1

Phoenix Contact Fl Mguard 4305 Firmware≥ 10.4.1

Phoenix Contact Fl Mguard Centerport Firmware≥ 8.9.3

Phoenix Contact Fl Mguard Centerport Vpn-1000 Firmware≥ 8.9.3

Phoenix Contact Fl Mguard Core Tx Firmware≥ 8.9.3

Phoenix Contact Fl Mguard Core Tx VPN Firmware≥ 8.9.3

References

https://certvde.com/en/advisories/VDE-2024-039Third Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2024-43384 being actively exploited?

CVE-2024-43384 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.34%.

How severe is CVE-2024-43384?

CVE-2024-43384 has a CVSS 3.1 base score of 8.0, rated high. EPSS estimates a 0.34% probability of exploitation.

Which products are affected by CVE-2024-43384?

Affected products include Phoenix Contact Fl Mguard 2102 Firmware, Phoenix Contact Fl Mguard 2105 Firmware, Phoenix Contact Fl Mguard 4102 Pcie Firmware, Phoenix Contact Fl Mguard 4102 Pci Firmware, Phoenix Contact Fl Mguard 4302 Firmware, and 19 more.

How do I fix CVE-2024-43384?

Upgrade affected software to a fixed version, for example Phoenix Contact Fl Mguard 2102 Firmware 10.4.1, Phoenix Contact Fl Mguard 2105 Firmware 10.4.1, Phoenix Contact Fl Mguard 4102 Pcie Firmware 10.4.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-43384 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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