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

First published: Tue Nov 15 2022(Updated: )

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.

Credit: info@cert.vde.com

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• canonical/phoenixcontact fl mguard centerport firmware
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• canonical/phoenixcontact fl mguard rs4004 tx\/dtx firmware
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• canonical/phoenixcontact tc mguard rs2000 3g vpn firmware
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• canonical/phoenixcontact tc mguard rs2000 4g att vpn
• canonical/phoenixcontact tc mguard rs2000 4g vpn firmware
• canonical/phoenixcontact tc mguard rs2000 4g vpn
• canonical/phoenixcontact tc mguard rs2000 4g vzw vpn firmware
• canonical/phoenixcontact tc mguard rs2000 4g vzw vpn
• canonical/phoenixcontact tc mguard rs4000 3g vpn firmware
• canonical/phoenixcontact tc mguard rs4000 3g vpn
• canonical/phoenixcontact tc mguard rs4000 4g att vpn firmware
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