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CVE-2023-28432 (GCVE-0-2023-28432)

Vulnerability from cvelistv5 – Published: 2023-03-22 20:16 – Updated: 2025-10-21 23:15
VLAI CISA Shadowserver Previdian
Title
Minio Information Disclosure in Cluster Deployment
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: active Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-28 21:16 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Vendor Product Version CPE status
minio minio Affected: >= RELEASE.2019-12-17T23-16-33Z, < RELEASE.2023-03-20T20-16-18Z
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3c6c7f61-e21b-4075-a3f7-accd01cd8473

Vulnerability ID: CVE-2023-28432

Status: Confirmed

Status Updated: 2023-04-21 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-04-21
Asserted: 2023-04-21
Scope
Notes: KEV entry: MinIO Information Disclosure Vulnerability | Affected: MinIO / MinIO | Description: MinIO contains a vulnerability in a cluster deployment where MinIO returns all environment variables, which allows for information disclosure. | Required action: Apply updates per vendor instructions. | Due date: 2023-05-12 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q; https://nvd.nist.gov/vuln/detail/CVE-2023-28432
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-200
Feed CISA Known Exploited Vulnerabilities Catalog
Product MinIO
Due Date 2023-05-12
Date Added 2023-04-21
Vendorproject MinIO
Vulnerabilityname MinIO Information Disclosure Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6929a5b6-84c9-4d13-893e-16b020ad6ca5

Vulnerability ID: CVE-2023-28432

Status: Confirmed

Status Updated: 2026-09-07 00:00 UTC

Exploited: Yes

Characteristics
Severity: 0.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-09-07
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: MinIO / MinIO | Class: other-software | Severity: None (CVSS 0) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-09-07: 2
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 2
Vendor MinIO
30D Avg 2
90D Avg 2
Product MinIO
Cisa Kev yes
Connections 2
Observation Date 2026-09-07
Vulnerability Class CVSS
Vulnerability Score 0
Vulnerability Severity None
References
Created: 2026-07-01 05:54 UTC | Updated: 2026-09-09 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 04a10bb2-80d0-4275-9bf1-c8d778483613

Vulnerability ID: CVE-2023-28432

Status: Confirmed

Status Updated: 2023-04-21 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-04-21
Asserted: 2023-04-21
Scope
Notes: KEVIntel entry: Minio Information Disclosure in Cluster Deployment | Affected: minio / minio | CVSS: 7.5 (HIGH) | EPSS: 0.83957 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Minio Information Disclosure in Cluster Deployment
Vendor minio
Product minio
Added Date 2023-04-21T00:00:00.000Z
Cvss Score 7.5
Epss Score 0.83957
Cvss Severity HIGH
Epss Percentile 0.99659
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:14 UTC | Updated: 2026-06-23 11:14 UTC
Show details on NVD website
To clipboard 

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              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28432"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2023-04-21T00:00:00.000Z",
                "value": "CVE-2023-28432 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "minio",
              "vendor": "minio",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003e= RELEASE.2019-12-17T23-16-33Z, \u003c RELEASE.2023-03-20T20-16-18Z"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "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`\nand `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."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-200",
                  "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-03-27T00:08:29.261Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q"
            },
            {
              "name": "https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z"
            },
            {
              "url": "https://twitter.com/Andrew___Morris/status/1639325397241278464"
            },
            {
              "url": "https://viz.greynoise.io/tag/minio-information-disclosure-attempt"
            },
            {
              "url": "https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean"
            }
          ],
          "source": {
            "advisory": "GHSA-6xvq-wj2x-3h3q",
            "discovery": "UNKNOWN"
          },
          "title": "Minio Information Disclosure in Cluster Deployment"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-28432",
        "datePublished": "2023-03-22T20:16:38.641Z",
        "dateReserved": "2023-03-15T15:59:10.052Z",
        "dateUpdated": "2025-10-21T23:15:22.503Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.