Information disclosure in Minio

CVE-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 `MINIO_SECRET_KEY` and `MINIO…

Vulnerability class: Information Disclosure

EPSS: 0.941 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Minio — versions >= RELEASE.2019-12-17T23-16-33Z, < RELEASE.2023-03-20T20-16-18Z

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-28432?
CVE-2023-28432 is a high-severity vulnerability in Minio, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-03-22.
How severe is CVE-2023-28432?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-28432 known to be exploited?
Yes. CVE-2023-28432 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-04-21), indicating it is being actively exploited. 97 public proof-of-concept repositories are indexed.