CVE-2020-8561 is a security vulnerability in Kubernetes that allows attackers controlling MutatingWebhookConfiguration or ValidatingWebhookConfiguration responses to redirect kube-apiserver requests to private networks. This medium severity vulnerability (CVSS 4.1) has a low impact on confidentiality, as redirected responses and headers can only be viewed in kube-apiserver logs if the log level is set to 10. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.20.11CPE matchmatch criteria | cpe:2.3:a:kubernetes:kubernetes:1.20.11:-:*:*:*:*:*:* | ||
1.21.5CPE matchmatch criteria | cpe:2.3:a:kubernetes:kubernetes:1.21.5:-:*:*:*:*:*:* | ||
1.22.2CPE matchmatch criteria | cpe:2.3:a:kubernetes:kubernetes:1.22.2:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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Kubernetes webhook redirection vulnerability (CVE-2020-8561)
Webhook redirect in kube-apiserver
Webhook redirect in kube-apiserver
Kubernetes webhook redirect vulnerability (CVE-2020-8561)