CVE-2020-8566

low-risk
Published 2020-12-07

In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.

Do I need to act?

-
0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Kubernetes

References (6)

Third Party Advisory https://github.com/kubernetes/kubernetes/issues/95624
Mailing List https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5...
Third Party Advisory https://security.netapp.com/advisory/ntap-20210122-0006/
Third Party Advisory https://github.com/kubernetes/kubernetes/issues/95624
Mailing List https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5...
Third Party Advisory https://security.netapp.com/advisory/ntap-20210122-0006/
17
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal