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Findings

CVE-2023-28432

MinIO Information Disclosure Vulnerability

Published Mar 22, 2023 · updated Jun 16, 2026 · minio minio

Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including and , resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 22, 2023 · Catalog

    Detected

    Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including and , resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.

  2. Apr 21, 2023 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 12, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including and , resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.

Required action

Apply updates per vendor instructions.

CISA due date May 12, 2023

Affected

  • cpe minio/minioversion unspecified
  • vendor MinIO MinIOversion unspecified

Sources

  • CISA KEVCVE-2023-28432

    MinIO contains a vulnerability in a cluster deployment where MinIO returns all environment variables, which allows for information disclosure.

    cisa.gov
  • CVE.orgCVE-2023-28432

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-28432

    30-day exploitation probability 84.0%

    first.org
  • Metasploit Modulesauxiliary_gather/minio_bootstrap_verify_info_disc

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-2023-28432

    Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including and , resulting in information

    nvd.nist.gov

References