CVE-2023-28432

Minio Information Disclosure in Cluster Deployment

7.5 HighIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

84.0%Up 83.9 points since Mar 23, 2023

What each source reports

CVE List Score used 7.5

Minio Information Disclosure in Cluster Deployment

Record: CVE-2023-28432
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2023-32124 7.5

Record: EUVD-2023-32124
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

CISA KEV No score

MinIO Information Disclosure Vulnerability

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

Record: CVE-2023-28432
Weakness: CWE-200
Updated: 2026-11-02

NVD 7.5

Record: CVE-2023-28432
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

OSV 7.5

Minio Information Disclosure in Cluster Deployment

Record: CVE-2023-28432
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

minio

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	Mr-xn/CVE-2023-28432	2023-03-23
PoC in GitHub	gobysec/CVE-2023-28432	2023-03-23
PoC in GitHub	MzzdToT/CVE-2023-28432	2023-03-24
PoC in GitHub	Okaytc/minio_unauth_check	2023-03-24
PoC in GitHub	acheiii/CVE-2023-28432	2023-03-24
PoC in GitHub	steponeerror/Cve-2023-28432-	2023-03-27
PoC in GitHub	Cuerz/CVE-2023-28432	2023-03-29
PoC in GitHub	LHXHL/Minio-CVE-2023-28432	2023-04-06
PoC in GitHub	h0ng10/CVE-2023-28432_docker	2023-04-09
PoC in GitHub	CHINA-china/MinIO_CVE-2023-28432_EXP	2023-04-13

Show 12 moreShow less

Public exploits
Source	Link	Date
PoC in GitHub	TaroballzChen/CVE-2023-28432-metasploit-scanner	2023-05-27
PoC in GitHub	NET-Flowers/CVE-2023-28432	2023-08-28
PoC in GitHub	Chocapikk/CVE-2023-28432	2023-09-05
PoC in GitHub	yTxZx/CVE-2023-28432	2023-10-20
PoC in GitHub	unam4/CVE-2023-28432-minio_update_rce	2023-11-26
PoC in GitHub	C1ph3rX13/CVE-2023-28432	2023-12-07
PoC in GitHub	netuseradministrator/CVE-2023-28432	2024-01-07
PoC in GitHub	xk-mt/CVE-2023-28432	2024-01-11
PoC in GitHub	BitWiz4rd/CVE-2023-28432	2024-04-13
PoC in GitHub	cgi-italy-insula-processing/minio	2026-10-01
Metasploit	MinIO Bootstrap Verify Information Disclosure	2023-03-20
Nuclei	MinIO Cluster Deployment - Information Disclosure

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, CISA KEV, Metasploit, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-28432 is a high vulnerability (CVSS 7.5) in Minio, published March 22, 2023. CISA lists it as known to be exploited, since April 21, 2023. EUVD reports exploitation since April 21, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 84.0%, the 99th percentile. No source names a fixed version.