CVE-2023-28432

HIGH KEV NUCLEI LAB

Minio <RELEASE.2023-03-20T20-16-18Z - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-28432 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added April 21, 2023. EIP tracks 20 public exploits from researchers including MzzdToT, Mr-xn, acheiii, including a Metasploit module auxiliary/gather/minio_bootstrap_verify_info_disc. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional Python script that exploits CVE-2023-28432, an information disclosure vulnerability in MinIO. The exploit sends a crafted HTTP POST request to the `/minio/bootstrap/v1/verify` endpoint to leak environment variables, including sensitive credentials like `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`.

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.

Exploits (20)

nomisec WORKING POC 36 stars
by MzzdToT · infoleak
https://github.com/MzzdToT/CVE-2023-28432

This repository contains a functional Python script that exploits CVE-2023-28432, an information disclosure vulnerability in MinIO. The exploit sends a crafted HTTP POST request to the `/minio/bootstrap/v1/verify` endpoint to leak environment variables, including sensitive credentials like `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (version not specified)
No auth needed
Prerequisites: Network access to the MinIO server · MinIO server exposed on the internet or internal network
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 33 stars
by Mr-xn · infoleak
https://github.com/Mr-xn/CVE-2023-28432

This repository contains a functional Nuclei template for CVE-2023-28432, which exploits an information disclosure vulnerability in MinIO's cluster deployment. The exploit sends a POST request to the `/minio/bootstrap/v1/verify` endpoint to retrieve sensitive environment variables, including `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (RELEASE.2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z)
No auth needed
Prerequisites: Network access to the MinIO server · MinIO cluster deployment
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 14 stars
by acheiii · infoleak
https://github.com/acheiii/CVE-2023-28432

The repository contains a functional PoC for CVE-2023-28432, an information disclosure vulnerability in MinIO. The script sends a POST request to the `/minio/bootstrap/v1/verify` endpoint and checks for the presence of sensitive environment variables (`MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`) in the response.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (RELEASE.2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z)
No auth needed
Prerequisites: Network access to the MinIO server · Target server running a vulnerable version of MinIO
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 10 stars
by Cuerz · infoleak
https://github.com/Cuerz/CVE-2023-28432

This repository contains a Go-based scanner for detecting CVE-2023-28432, a MinIO sensitive information disclosure vulnerability. It sends a POST request to the '/minio/bootstrap/v1/verify' endpoint and checks for a 200 OK response to determine if the target is vulnerable.

Classification
Scanner 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO
No auth needed
Prerequisites: Network access to the MinIO server
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SUSPICIOUS 10 stars
by gobysec · poc
https://github.com/gobysec/CVE-2023-28432

The repository lacks actual exploit code and instead provides vague descriptions and external links, which is characteristic of a social engineering lure. No technical details or PoC code are included.

Classification
Suspicious 90%
Attack Type
Info Leak
Complexity
Theoretical
Reliability
Theoretical
Target: MinIO (version not specified)
No auth needed
Prerequisites: Access to MinIO verify interface
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 7 stars
by Chocapikk · remote
https://github.com/Chocapikk/CVE-2023-28432

This repository contains a functional Python exploit for CVE-2023-28432, which targets Minio's environment variable disclosure vulnerability. The script sends a POST request to the `/minio/bootstrap/v1/verify` endpoint and extracts sensitive environment variables like `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Minio (RELEASE.2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z)
No auth needed
Prerequisites: Python 3.x · requests library · rich library · alive_progress library · Leakix API key (optional for URL discovery)
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 7 stars
by Okaytc · infoleak
https://github.com/Okaytc/minio_unauth_check

This repository contains a Python script that checks for the presence of CVE-2023-28432, an information disclosure vulnerability in MinIO. The script sends a POST request to a specific endpoint and checks the response for indicators of the vulnerability.

Classification
Scanner 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO
No auth needed
Prerequisites: Network access to the MinIO server
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 3 stars
by yTxZx · remote
https://github.com/yTxZx/CVE-2023-28432

This script exploits CVE-2023-28432, an information disclosure vulnerability in MinIO, by sending a POST request to the '/minio/bootstrap/v1/verify' endpoint to leak MINIO_ROOT_USER and MINIO_ROOT_PASSWORD credentials. It supports both single URL and batch file processing, with results exported to an Excel file.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (version not specified)
No auth needed
Prerequisites: Network access to the MinIO server · Exposed '/minio/bootstrap/v1/verify' endpoint
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 2 stars
by steponeerror · infoleak
https://github.com/steponeerror/Cve-2023-28432-

This repository contains a Python script that scans for CVE-2023-28432, an information disclosure vulnerability in MinIO. It checks for the presence of sensitive environment variables (MINIO_ROOT_PASSWORD and MINIO_ROOT_USER) in the response from the MinIO API endpoint.

Classification
Scanner 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (versions affected by CVE-2023-28432)
No auth needed
Prerequisites: List of target MinIO API endpoints in a file named 'targets.txt'
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 1 stars
by BitWiz4rd · remote
https://github.com/BitWiz4rd/CVE-2023-28432

The repository contains a functional Python script that exploits CVE-2023-28432 in MinIO by sending a crafted POST request to the `/minio/bootstrap/v1/verify` endpoint to leak sensitive environment variables. The exploit is straightforward and demonstrates the vulnerability effectively.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (specific version not specified)
No auth needed
Prerequisites: Network access to the MinIO server · MinIO server exposed to the internet or accessible via the specified endpoint
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 1 stars
by xk-mt · infoleak
https://github.com/xk-mt/CVE-2023-28432

This repository contains a functional Python script that exploits CVE-2023-28432, an information disclosure vulnerability in MinIO. The exploit sends a crafted POST request to the `/minio/bootstrap/v1/verify` endpoint to retrieve sensitive environment variables, including `MINIO_SECRET_KEY` and `MINIO_ROOT_PASSWORD`.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (version not specified)
No auth needed
Prerequisites: Network access to the MinIO server · MinIO server exposed on port 9000
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 1 stars
by netuseradministrator · infoleak
https://github.com/netuseradministrator/CVE-2023-28432

This repository contains a Go-based GUI tool that checks for CVE-2023-28432, a MinIO information disclosure vulnerability. It sends a POST request to the `/minio/bootstrap/v1/verify` endpoint and analyzes the response to determine vulnerability status.

Classification
Scanner 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (versions affected by CVE-2023-28432)
No auth needed
Prerequisites: Network access to the MinIO server
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 1 stars
by C1ph3rX13 · remote
https://github.com/C1ph3rX13/CVE-2023-28432

This repository contains a functional exploit for CVE-2023-28432, an information disclosure vulnerability in MinIO. The script sends a POST request to a specific endpoint to retrieve MinIO environment variables, including root credentials.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (versions affected by CVE-2023-28432)
No auth needed
Prerequisites: Target MinIO instance accessible via HTTP/HTTPS
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SUSPICIOUS 1 stars
by unam4 · poc
https://github.com/unam4/CVE-2023-28432-minio_update_rce

The repository lacks actual exploit code and instead redirects to external sources (GitHub and Yuque) for details. It mentions a backdoor mechanism but provides no technical implementation or analysis.

Classification
Suspicious 90%
Attack Type
Rce
Complexity
Theoretical
Reliability
Theoretical
Target: MinIO (versions 2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z)
No auth needed
Prerequisites: Access to a vulnerable MinIO instance
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 1 stars
by TaroballzChen · remote
https://github.com/TaroballzChen/CVE-2023-28432-metasploit-scanner

This repository contains a Metasploit auxiliary module that scans for CVE-2023-28432, an information disclosure vulnerability in MinIO. The script checks for the presence of sensitive environment variables by sending a crafted request to the vulnerable endpoint.

Classification
Scanner 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (versions affected by CVE-2023-28432)
No auth needed
Prerequisites: Network access to the MinIO instance · MinIO instance exposed on the network
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec SCANNER 1 stars
by LHXHL · remote
https://github.com/LHXHL/Minio-CVE-2023-28432

This repository contains a Go-based scanner for detecting CVE-2023-28432, an information disclosure vulnerability in MinIO. The tool sends a POST request to the '/minio/bootstrap/v1/verify' endpoint and checks for the presence of 'MinioEnv' in the response to determine vulnerability.

Classification
Scanner 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (version not specified)
No auth needed
Prerequisites: Network access to the MinIO server · MinIO server exposed on the network
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC
by NET-Flowers · poc
https://github.com/NET-Flowers/CVE-2023-28432

This repository contains a JavaFX-based tool for detecting and exploiting CVE-2023-28432, a sensitive information disclosure vulnerability in MinIO. The tool sends a crafted POST request to the `/minio/bootstrap/v1/verify` endpoint to leak environment variables like `MINIO_ROOT_USER` and `MINIO_ROOT_PASSWORD`.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (cluster mode)
No auth needed
Prerequisites: Network access to MinIO instance · MinIO running in cluster mode
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC
by CHINA-china · infoleak
https://github.com/CHINA-china/MinIO_CVE-2023-28432_EXP

This Python script exploits CVE-2023-28432, an information disclosure vulnerability in MinIO, by sending a crafted POST request to the `/minio/bootstrap/v1/verify` endpoint to leak root credentials (MINIO_ROOT_USER/PASSWORD or MINIO_ACCESS_KEY/SECRET_KEY). It supports both single URL and bulk file input with multithreading for efficiency.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (versions affected by CVE-2023-28432)
No auth needed
Prerequisites: Network access to the MinIO server · Exposed `/minio/bootstrap/v1/verify` endpoint
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC
by h0ng10 · poc
https://github.com/h0ng10/CVE-2023-28432_docker

This repository provides Docker Compose configurations to test CVE-2023-28432, an information disclosure vulnerability in MinIO clusters. It includes vulnerable and non-vulnerable setups to demonstrate the issue.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (versions before RELEASE.2023-04-07T05-28-58Z)
No auth needed
Prerequisites: Docker environment · MinIO cluster setup
devstral-2 · analyzed Feb 19, 2026 Full analysis →
metasploit WORKING POC
by joel @ ndepthsecurity, RicterZ · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/minio_bootstrap_verify_info_disc.rb

This Metasploit module exploits an information disclosure vulnerability in MinIO (CVE-2023-28432) by sending a POST request to the `/minio/bootstrap/v1/verify` endpoint, which returns environment variables including sensitive credentials like `MINIO_ROOT_PASSWORD`.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: MinIO (RELEASE.2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z)
No auth needed
Prerequisites: Network access to MinIO instance on port 9000
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

MinIO Cluster Deployment - Information Disclosure
HIGHVERIFIEDby Mr-xn
Shodan: title:"Minio Console" || http.title:"minio browser" || cpe:"cpe:2.3:a:minio:minio" || http.title:"minio console"
FOFA: app="Minio" || app="minio" || title="minio browser" || title="minio console"

Scores

CVSS v3 7.5
EPSS 0.9400
EPSS Percentile 99.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact partial

Lab Environment

COMMUNITY
Community Lab
docker pull minio/minio:RELEASE.2023-01-18T04-36-38Z
docker pull minio/minio:RELEASE.2023-04-07T05-28-58Z
+17 more repos

Details

CISA KEV 2023-04-21
VulnCheck KEV 2023-03-24
InTheWild.io 2023-03-24
ENISA EUVD EUVD-2023-32124
CWE
CWE-200
Status published
Products (1)
minio/minio 2019-12-17t23-16-33z - 2023-03-20t20-16-18z
Published Mar 22, 2023
KEV Added Apr 21, 2023
Tracked Since Feb 18, 2026