CVE-2020-8558 — Unprotected Alternate Channel in Kubernetes
CWE-420 — Unprotected Alternate ChannelCWE-300 — Channel Accessible by Non-Endpoint12 documents8 sources
Severity
8.8HIGHNVD
CNA5.4
EPSS
20.1%
top 4.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 27
Latest updateAug 21
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…
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages4 packages
Patches
🔴Vulnerability Details
5CVEList
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