Vulnerability Details : 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.
Published 2020-07-27 20:15:12
Updated 2022-09-20 17:17:11
Source Kubernetes
View at NVD,   CVE.org

Products affected by CVE-2020-8558

Exploit prediction scoring system (EPSS) score for CVE-2020-8558

EPSS FAQ
0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8558

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
 MEDIUM AV:A/AC:L/Au:N/C:P/I:P/A:P
6.5
6.4
 NIST
5.4
 MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
2.8
2.5
 Kubernetes
8.8
 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2020-8558

  • The product protects a primary channel, but it does not use the same level of protection for an alternate channel.
    Assigned by: jordan@liggitt.net (Secondary)

References for CVE-2020-8558

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