Home/CVE/MinIO Information Disclosure Vulnerability
CVE

CVE-2023-28432

MinIO Information Disclosure Vulnerability

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.

HIGH · CVSS 7.5 ⚠ CISA KEV EPSS 0.94061
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

1
minio>= 2019-12-17t23-16-33z and < 2023-03-20t20-16-18z
⚠

Public Exploits & PoCs

2
nucleiMinIO Cluster Deployment - Information Disclosurehigh
pocgithub.com · GHSA-6xvq-wj2x-3h3qgithub.com
◈

Detection Rules (IDS/IPS)

2
et-openET WEB_SPECIFIC_APPS MinIO Information Disclosure Attempt (CVE-2023-28432)attempted-admin
et-openET WEB_SPECIFIC_APPS Successful MinIO Information Disclosure Attempt (CVE-2023-28432)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Mar 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2023-28432
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18ZRelease Notes
https://twitter.com/Andrew___Morris/status/1639325397241278464Third Party Advisory
https://viz.greynoise.io/tag/minio-information-disclosure-attemptThird Party Advisory
https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-cleanThird Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28432US Government Resource
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CVETechnique ActorTool Family
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