Vulnerability in Kubernetes

CVE-2018-1002105

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…

EPSS: 0.901 (99.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1002105?
CVE-2018-1002105 is a critical-severity vulnerability in Kubernetes. CVSS score: 9.8/10. Published 2018-12-05.
How severe is CVE-2018-1002105?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-1002105 known to be exploited?
57 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.