CVE-2020-8558
CVSS v3
8.8
HIGH
EPSS Score
21.5 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2020-07-27
Frequently asked questions
What is CVE-2020-8558?
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.
Is CVE-2020-8558 actively exploited?
Active exploitation of CVE-2020-8558 has not been confirmed. The EPSS score is 21.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-8558?
CVE-2020-8558 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2020-8558 affecting your environment?
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