Vulnerability Description
The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. Such a service is generally thought to be reachable only by other processes on the same host, but due to this defeect, could be reachable by other hosts on the same LAN as the node, or by containers running on the same node as the service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes | >= 1.1.0, <= 1.16.10 |
Related Weaknesses (CWE)
References
- https://github.com/kubernetes/kubernetes/issues/92315ExploitMitigationPatch
- https://groups.google.com/g/kubernetes-announce/c/sI4KmlH3S2I/m/TljjxOBvBQAJExploitMailing ListMitigation
- https://security.netapp.com/advisory/ntap-20200821-0001/Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/92315ExploitMitigationPatch
- https://groups.google.com/g/kubernetes-announce/c/sI4KmlH3S2I/m/TljjxOBvBQAJExploitMailing ListMitigation
- https://security.netapp.com/advisory/ntap-20200821-0001/Third Party Advisory
FAQ
What is CVE-2020-8558?
CVE-2020-8558 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound...
How severe is CVE-2020-8558?
CVE-2020-8558 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8558?
Check the references section above for vendor advisories and patch information. Affected products include: Kubernetes Kubernetes.