CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 22, 2023
Updated: Nov 1, 2023


CVE-2023-46317 is a cyber vulnerability that affects Knot Resolver versions prior to 5.7.0. This vulnerability occurs when the resolver receives nonsensical responses from servers, leading to multiple TCP reconnections. The vulnerability has a base severity rating of HIGH, with a base score of 7.5 according to NIST. It does not require any privileges or user interaction and can be exploited over the network. The potential danger it poses to an organization is in terms of availability, as the attacker can disrupt the resolver's functionality. To remediate this vulnerability, organizations should update their Knot Resolver installations to version 5.7.0 or later.

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