CVE-2020-8563

Secret leaks in logs for vSphere Provider kube-controller-manager

Description

In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. This affects < v1.19.3.

Remediation

Workaround:

  • Do not enable verbose logging in production (log level >= 4), limit access to logs.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Third-Party Advisory github.com Third-Party Advisory google.com Third-Party Advisory netapp.com
Affected: Kubernetes Kubernetes
Published at:
Updated at:

References

Link Tags
https://github.com/kubernetes/kubernetes/issues/95621 third party advisory
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ mailing list third party advisory patch
https://security.netapp.com/advisory/ntap-20210122-0006/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-8563?
CVE-2020-8563 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8563?
As a workaround for remediating CVE-2020-8563: Do not enable verbose logging in production (log level >= 4), limit access to logs.
Is CVE-2020-8563 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-8563 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-8563?
CVE-2020-8563 affects Kubernetes Kubernetes.
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