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CVE-2025-31489

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Date: April 3, 2025

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. The signature component of the authorization may be invalid, which would mean that as a client you can use any arbitrary secret to upload objects given the user already has prior WRITE permissions on the bucket. Prior knowledge of access-key, and bucket name this user might have access to - and an access-key with a WRITE permissions is necessary. However with relevant information in place, uploading random objects to buckets is trivial and easy via curl. This issue is fixed in RELEASE.2025-04-03T14-56-28Z.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Verification of Cryptographic Signature

CWE-347

Top Fix

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Upgrade Version

Upgrade to version github.com/minio/minio - v0.0.0-20250403145552-8c70975283f9;https://github.com/minio/minio.git - RELEASE.2025-04-03T14-56-28Z

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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