IAM Authentication Vulnerability in MinIO Operator for Kubernetes
CVE-2025-32963

6.9MEDIUM

Key Information:

Vendor

Minio

Status
Operator
Vendor
CVE Published:
22 April 2025

What is CVE-2025-32963?

The MinIO Operator for Kubernetes had a vulnerability related to IAM authentication prior to version 7.1.0. If the 'spec.audiences' field is left empty, the default audience is set to the Kubernetes apiserver. This oversight enables a replay attack, allowing unauthorized access to internal systems that may trust these unauthenticated tokens. This vulnerability was addressed in version 7.1.0, which encourages users to upgrade to secure their environments.

Affected Version(s)

operator < 7.1.0

References

https://github.com/minio/operator/security/advisories/GHS...
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https://github.com/minio/operator/releases/tag/v7.1.0
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CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.