CVE-2023-28432

MinIO: Information Disclosure

As of , CVE-2023-28432 in MinIO is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 21 April 2023
US federal deadline
12 May 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.84Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.01 on 21 April 2023EPSS on the day CISA listed it.
Public exploit
1 Metasploit module
Fix
Vendor advice: github.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

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

CISA's 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.

The CVE record's description, from GitHub_M

CVE published
22 March 2023
Assigned by
GitHub_M
CVSS
7.5 High (CVSS 3.1, from the CNA)
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

  • Metasploit: MinIO Bootstrap Verify Information Disclosureauxiliary module, rank normal

MinIO: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2023-28434Security Feature BypassMinIO MinIOPatch soon0.08

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