CVSS 3.1 Score 3.1 of 10 (low)


Published Nov 13, 2023
Updated: Nov 21, 2023
CWE ID 835


CVE-2023-42814 is a security vulnerability found in Kyverno, a policy engine designed for Kubernetes. The vulnerability affects the Notary verifier component of Kyverno and can be exploited by an attacker who has control over the registry from which Kyverno fetches attestations. By returning a malicious response to Kyverno, the attacker can cause denial of service, blocking other users' admission requests from being processed. This vulnerability only affects users that have been building Kyverno from source at the main branch and does not impact users consuming official Kyverno releases. There are currently no known cases of this vulnerability being exploited in the wild.

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