CVE-2023-28432
MinIO — MinIO Information Disclosure Vulnerability
MinIO · CWE-200 — Exposure of sensitive information · in CISA KEV since 2023-04-21
EVRS 80 of 100 Urgent
Patch This Cycle
Rank 586 of 2,960 tracked
Why it scores 80
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.840.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
minio: update to 2023-03-20t20-16-18z or later
Affected versions
- minio
>= 2019-12-17t23-16-33z < 2023-03-20t20-16-18z
Remediation
Apply updates per vendor instructions.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 7.5 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.840 (99.69th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2023-05-12 · KEV since 2023 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 7.5 (v3.1), assigned by GitHub_M. | Listed | ENISA EUVD |
Description
NVDMinio 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.
What CISA says to do
Public module
Metasploit lists a public normal-rank module for this CVE: MinIO Bootstrap Verify Information Disclosure (gather/minio_bootstrap_verify_info_disc). A module existing is not the same as active exploitation; see metasploit.com.