CVE-2022-3480 HIGH

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

Vendor Phoenix Contact
Product FL MGUARD CENTERPORT
Weakness CWE-770 · Uncontrolled resource consumption
Published November 15, 2022
Last update April 29, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 15, 2022 CVE published
April 29, 2025 Record updated