CVSS v3
9.8
CRITICAL
EPSS Score
90.7%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
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.
Active exploitation of CVE-2018-1002105 has not been confirmed. The EPSS score is 90.7%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2018-1002105 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
Ranked by exploit probability (EPSS).