What’s Vulnerable › Vulnerabilities

CVE-2023-28432: MinIO Information Disclosure Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-04-21
• EPSS: 84.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-22 · updated 2026-06-17
• Weakness: CWE-200

Description

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 `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`, resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.

Affected products

• minio: from 2019-12-17t23-16-33z before 2023-03-20t20-16-18z — fixed in 2023-03-20t20-16-18z

How to fix

Upgrade to a fixed version: minio 2023-03-20t20-16-18z. Check the vendor advisory for mitigations.

References

• https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z
• https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q
• https://twitter.com/Andrew___Morris/status/1639325397241278464
• https://viz.greynoise.io/tag/minio-information-disclosure-attempt
• https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean
• https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z
• https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q
• https://twitter.com/Andrew___Morris/status/1639325397241278464
• https://viz.greynoise.io/tag/minio-information-disclosure-attempt
• https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28432

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