cve.bz

CVE-2020-8558

8.8 highEPSS 3.4%

High (8.8) in kubernetes kubernetes. EPSS 3.4% chance of exploitation in the next 30 days. Fixed in k8s.io/kubernetes 1.16.11, 1.17.7, 1.18.4.

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.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE
CWE-420
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-wqv3-8cm6-h6wgGok8s.io/kubernetes>=1.18.0 <1.18.41.18.4
GHSA-wqv3-8cm6-h6wgGok8s.io/kubernetes>=1.17.0 <1.17.71.17.7
GHSA-wqv3-8cm6-h6wgGok8s.io/kubernetes<1.16.111.16.11
GO-2022-0885Gok8s.io/kubernetes<1.16.11
>=1.17.0 <1.17.7
>=1.18.0 <1.18.4
1.16.11, 1.17.7, 1.18.4

References

Check your stackJSON