Phoenixcontact: >> Fl Mguard Centerport Firmware Security Vulnerabilities
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.
CVSS Score
5.3
EPSS Score
0.0
Published
2023-06-13
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.
CVSS Score
7.5
EPSS Score
0.005
Published
2022-11-15