Resource exhaustion in Phoenix Contact Fl Mguard Centerport
CVE-2022-3480
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.
EPSS: 0.009 (54.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Phoenix Contact Fl Mguard Centerport — versions 0
- Phoenix Contact Fl Mguard Centerport Vpn-1000 — versions 0
- Phoenix Contact Fl Mguard Core Tx — versions 0
- Phoenix Contact Fl Mguard Core Tx Vpn — versions 0
- Phoenix Contact Fl Mguard Delta Tx/tx — versions 0
- Phoenix Contact Fl Mguard Delta Tx/tx Vpn — versions 0
- Phoenix Contact Fl Mguard Gt/gt — versions 0
- Phoenix Contact Fl Mguard Gt/gt Vpn — versions 0
- Phoenix Contact Fl Mguard Pci4000 — versions 0
- Phoenix Contact Fl Mguard Pci4000 Vpn — versions 0
Weakness classification (CWE)
References
- info@cert.vde.com (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2022-3480?
- CVE-2022-3480 is a high-severity vulnerability in Phoenix Contact Fl Mguard Centerport, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2022-11-15.
- How severe is CVE-2022-3480?
- High severity. CVSS v3 base score is 7.5 out of 10.