CVE-2023-28432
Minio Information Disclosure in Cluster Deployment
MinIO Information Disclosure Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q; https://nvd.nist.gov/vuln/detail/CVE-2023-28432
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation Context
as of October 14, 2026- CISA added CVE-2023-28432 to the KEV catalog 30 days after its CVE record was published. The median for entries added in 2023 is 12 days.
- It is one of 2 MinIO entries in the CISA KEV catalog, and one of 2 added in 2023.
- Its current EPSS score (84.0%) is higher than that of 66% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| minio | minio minio | >= RELEASE.2019-12-17T23-16-33Z, < RELEASE.2023-03-20T20-16-18Z |
References
5 Links- https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q
- https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z
- 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
Record Details
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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.