CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It affects Kubernetes. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 87.0% probability of exploitation in the next 30 days.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Note: these links are listed for security research and verification purposes only.
Original NVD Description
In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.
Related CVEs
Other vulnerabilities affecting the same vendor(s)