CVE-2020-8566

Ceph RBD adminSecrets exposed in logs when loglevel >= 4

MEDIUM

5.5

CVSS Score

Published: December 7, 2020 at 10:00 PM UTC

Updated: June 17, 2026 at 03:26 AM UTC

1 product affected across 1 vendorKubernetes

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.5%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Kubernetes · Kubernetes

95%

v < 1.17.13v < 1.18.10v < 1.19.31.17.0 ≤ v < 1.17.131.18.0 ≤ v < 1.18.101.19.0 ≤ v < 1.19.3

Affected range stops below 1.17.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.18.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.19.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ

References (3)

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://github.com/kubernetes/kubernetes/issues/95624

Mailing Listx_refsource_MLISTPatchThird Party Advisory

Source: [email protected]

https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://security.netapp.com/advisory/ntap-20210122-0006/

CVSS

5.5MEDIUM[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-532

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