CVSS 3.1 Score 5.3 of 10 (medium)


Published Nov 13, 2023
Updated: Nov 21, 2023
CWE ID 400


CVE-2023-42813 is a security vulnerability discovered in Kyverno, a policy engine for Kubernetes. The vulnerability affects the Notary verifier component in Kyverno and can be exploited by an attacker who has control over the registry from which Kyverno fetches attestations. By sending a malicious response to Kyverno, the attacker can cause denial of service, blocking other users' admission requests. This vulnerability only affects users who have built Kyverno from source at the main branch, while users consuming official Kyverno releases are not affected. There have been no known exploits of this vulnerability in the wild.

Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2023-42813 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options