Skip to content

CVE-2023-28432 · CVE record: PUBLISHED

Minio Information Disclosure in Cluster Deployment

minio minio

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.

Exploitation evidence

Known exploited · CISA KEV listed

Added 2023-04-21. Ransomware campaign use: Unknown.

CISA required action: Apply updates per vendor instructions.

CISA due date: 2023-05-12. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

minio / minio

Default status: Not specified

affected: >= RELEASE.2019-12-17T23-16-33Z, < RELEASE.2023-03-20T20-16-18Z

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.83957,
  "percentile": 0.99698
}

10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.83957,
  "percentile": 0.99696
}

09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.83957,
  "percentile": 0.99695
}

08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.83957,
  "percentile": 0.99695
}

07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.83957,
  "percentile": 0.99695
}

06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.83957,
  "percentile": 0.99695
}

06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.83957,
  "percentile": 0.99694
}

04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.83957,
  "percentile": 0.99694
}

04 Nov 2026, 18:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:38:25.355Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "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",
              "x_transferred"
            ],
            "url": "https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://twitter.com/Andrew___Morris/status/1639325397241278464"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://viz.greynoise.io/tag/minio-information-disclosure-attempt"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-28432",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-28T21:16:56.029650Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2023-04-21",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28432"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:15:22.503Z",
          "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": ">= RELEASE.2019-12-17T23-16-33Z, < 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"
}

03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.83957,
  "percentile": 0.99693
}

03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.83957,
  "percentile": 0.99693
}

03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2023-28432",
  "cwes": [
    "CWE-200"
  ],
  "dateAdded": "2023-04-21",
  "dueDate": "2023-05-12",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q; https://nvd.nist.gov/vuln/detail/CVE-2023-28432",
  "product": "MinIO",
  "requiredAction": "Apply updates per vendor instructions.",
  "shortDescription": "MinIO contains a vulnerability in a cluster deployment where MinIO returns all environment variables, which allows for information disclosure.",
  "vendorProject": "MinIO",
  "vulnerabilityName": "MinIO Information Disclosure Vulnerability"
}

Egret — Back to top Egret