ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-28432

MinIO Information Disclosure Vulnerability

Published Mar 22, 2023 · catalog updated Jun 16, 2026 · MinIO MinIO

Patch now

CVE-2023-28432 is in the CISA known-exploited catalog, due May 12, 2023. Confirm MinIO MinIO against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
83.96%
Remediation
Remediation guidance
Affected products
cpe minio/minio · vendor 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe minio/minioversion unspecified
  • vendor MinIO MinIOversion unspecified

How to fix CVE-2023-28432

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-28432 is in the CISA known-exploited catalog, due May 12, 2023. Confirm MinIO MinIO against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-200: Exposure of Sensitive Information. EPSS 83.96%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

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.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-28432

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-28432

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-28432

    30-day exploitation probability 84.0%

    first.org
  • Metasploit ModulesPublic exploit moduleauxiliary_gather/minio_bootstrap_verify_info_disc

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

    rapid7.com
  • NIST NVDVulnerability recordCVE-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
  • VulnCheck KEVConfirmed exploitationCVE-2023-28432

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.