Vulnerability · Published Nov 15, 2022 · Assigned by CERTVDE

CVE-2022-3480Denial-of-Service vulnerability in PHOENIX CONTACT mGuard product family

High 7.5

In plain English

A high-severity resource allocation without limits in FL MGUARD CENTERPORT 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 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 39.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections cannot prevent the issue.

Affected products (as reported)

VendorProductVersions
PHOENIX CONTACT FL MGUARD CENTERPORT 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD CENTERPORT VPN-1000 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD CORE TX 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD CORE TX VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD DELTA TX/TX 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD DELTA TX/TX VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD GT/GT 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD GT/GT VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD PCI4000 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD PCI4000 VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD PCIE4000 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD PCIE4000 VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS2000 TX/TX-B 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS2000 TX/TX VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS2005 TX VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX-M 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX-P 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS4000 TX/TX VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS4004 TX/DTX 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD RS4004 TX/DTX VPN 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD SMART2 0 – before 8.9.0
PHOENIX CONTACT FL MGUARD SMART2 VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS2000 3G VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS2000 4G ATT VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS2000 4G VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS2000 4G VZW VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS4000 3G VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS4000 4G ATT VPN 0 – before 8.9.0
PHOENIX CONTACT TC MGUARD RS4000 4G VPN 0 – before 8.9.0

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References