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.

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Deploy the Patch

Affected Version(s)

operator < 7.1.0

References

https://github.com/minio/operator/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/minio/operator/commit/d586294d526bf0d8...
x_refsource_MISC
https://github.com/minio/operator/releases/tag/v7.1.0
x_refsource_MISC

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

JSON
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