Is there a public exploit for CVE-2023-28432?

Yes. CVE-2023-28432 is listed in the CISA Known Exploited Vulnerabilities catalog, meaning exploitation has been observed in the wild.

Is there a proof of concept for CVE-2023-28432?

Yes — 8 proof-of-concept entries are linked on this page, from public repositories and community submissions. They are listed for authorised testing only.

How severe is CVE-2023-28432?

CVE-2023-28432 scores CVSS 7.5 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 83.96%.

What does CVE-2023-28432 affect?

CVE-2023-28432 affects MinIO MinIO.

7.5 High

Minio is a Multi-Cloud Object Storage framework.

CVE-2023-28432 Exploited

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

Being exploited in the wild

Catalogued 21 April 2023 · US federal remediation deadline 12 May 2023

Apply updates per vendor instructions.

Exploit code is also public: Metasploit · Public PoC · Nuclei template

Metasploitauxiliary/gather/minio_bootstrap_verify_info_disc
NucleiMinIO Cluster Deployment - Information Disclosure
Public PoCMzzdToT/CVE-2023-2843237 stars
Public PoCMr-xn/CVE-2023-2843234 stars
Public PoCacheiii/CVE-2023-2843215 stars
Public PoCChocapikk/CVE-2023-2843211 stars
Public PoCgobysec/CVE-2023-2843210 stars
Public PoCCuerz/CVE-2023-2843210 stars
Public PoCOkaytc/minio_unauth_check7 stars
Public PoCyTxZx/CVE-2023-284323 stars

Assessment

CVSS: 7.5 (v3.1)
Severity: High
EPSS: 83.96% chance of exploitation in the next 30 days
Known exploited: Yes — listed in the CISA KEV catalog
Exploit availability: CISA KEV, Metasploit, Public PoC, Nuclei template
Published: 22 March 2023
Last updated: 17 June 2026
Affected: MinIO · minio · MinIO · minio
Weakness: CWE-200
Assigner: security-advisories@github.com

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

At the source

References

Community proofs of concept

No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.

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