CVE-2020-8566

Ceph RBD adminSecrets exposed in logs when loglevel >= 4

CVSS 4.7 MEDIUMEPSS 0.5%CWE-532

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.7EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

07 Dec 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Kubernetes · Kubernetes

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References

https://github.com/kubernetes/kubernetes/issues/95624 https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ https://security.netapp.com/advisory/ntap-20210122-0006/