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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-42852 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.
Fixes

Solution

Upgrade to firmware version >= 8.9.0


Workaround

No workaround given by the vendor.

History

Tue, 29 Apr 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2025-04-29T20:13:45.498Z

Reserved: 2022-10-13T07:49:46.094Z

Link: CVE-2022-3480

cve-icon Vulnrichment

Updated: 2024-08-03T01:14:01.485Z

cve-icon NVD

Status : Modified

Published: 2022-11-15T11:15:12.100

Modified: 2024-11-21T07:19:37.263

Link: CVE-2022-3480

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses