CVE-2020-8566 - CVE House

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Status published Medium CVE-2020-8566

Ceph RBD adminSecrets exposed in logs when loglevel >= 4

4.7 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Kaizhe Huang (derek0405)

References

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Affected Vendor

Kubernetes

View all reports →

Affected Software

Kubernetes

Vulnerable Versions:

< 1.19.3, < 1.18.10, < 1.17.13

Timeline

Official Publish: December 7th, 2020

Last Modified: September 16th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1005 Data from Local System

T1552 Unsecured Credentials

Credential Access

T1555 Credentials from Password Stores

Credential Access

T1078 Valid Accounts

T1562 Impair Defenses

Defense Evasion