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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-8561 Detail

Description

A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/kubernetes/kubernetes/issues/104720 Mitigation  Third Party Advisory 
https://github.com/kubernetes/kubernetes/issues/104720 Mitigation  Third Party Advisory 
https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsY Mailing List  Mitigation 
https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsY Mailing List  Mitigation 
https://security.netapp.com/advisory/ntap-20211014-0002/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20211014-0002/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-610 Externally Controlled Reference to a Resource in Another Sphere cwe source acceptance level NIST  
CWE-441 Unintended Proxy or Intermediary ('Confused Deputy') Kubernetes  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-8561
NVD Published Date:
09/20/2021
NVD Last Modified:
11/21/2024
Source:
Kubernetes