CVSS Score of 10 (low)


Published Jun 13, 2023
Updated: Aug 25, 2023


CVE-2023-2673 is an Improper Input Validation vulnerability that affects the PHOENIX CONTACT FL/TC MGUARD Family in multiple versions. This vulnerability allows UDP packets to bypass filter rules and gain access to the connected device behind the MGUARD, which can be exploited for flooding attacks. The affected products include various models within the FL/TC MGUARD Family. To remediate this vulnerability, users should apply the necessary updates or patches provided by PHOENIX CONTACT. This vulnerability poses a medium risk to organizations, with a base severity score of 5.3 out of 10. It does not require any privileges or user interaction for exploitation and has a low attack complexity and impact on integrity and confidentiality.

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