Vulnerability · Published Jun 13, 2023 · Assigned by CERTVDE

CVE-2023-2673PHOENIX CONTACT: FL/TC MGUARD prone to Improper Input Validation

Medium 5.3

In plain English

A medium-severity security flaw in FL MGUARD 2102 from PHOENIX CONTACT. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 50.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper Input Validation vulnerability in PHOENIX CONTACT FL/TC MGUARD Family in multiple versions may allow UDP packets to bypass the filter rules and access the solely connected device behind the MGUARD which can be used for flooding attacks.

Affected products (as reported)

VendorProductVersions
PHOENIX CONTACT FL MGUARD 2102 0 – through 10.1.1
PHOENIX CONTACT FL MGUARD 4102 PCI 0 – through 10.1.1
PHOENIX CONTACT FL MGUARD 4102 PCIE 0 – through 10.1.1
PHOENIX CONTACT FL MGUARD 4302 0 – through 10.1.1
PHOENIX CONTACT FL MGUARD CENTERPORT 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD CENTERPORT VPN-1000 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD CORE TX 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD CORE TX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD DELTA TX/TX 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD DELTA TX/TX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD GT/GT 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD GT/GT VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD PCI4000 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD PCI4000 VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD PCIE4000 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD PCIE4000 VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS2000 TX/TX-B 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS2000 TX/TX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS2005 TX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX-M 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX-P 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS4004 TX/DTX 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD RS4004 TX/DTX VPN 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD SMART2 0 – through 8.9.0
PHOENIX CONTACT FL MGUARD SMART2 VPN 0 – through 8.9.0

Weakness: CWE-1287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References