title: 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.
problem types: CWE-532 Information Exposure Through Log Files
affected:
{
product: Kubernetes
vendor: Kubernetes
versions:
status: affected, version: < 1.19.3
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 4.7
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
version: 3.1
]
workarounds: Do not enable verbose logging in production (log level >= 4), limit access to logs.