{"id":"CVE-2023-28433","state":"PUBLISHED","title":"Minio Privilege Escalation on Windows via Path separator manipulation","description":"Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the `\\` character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to `PutObject` in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds.","publishedAt":"2023-03-22T20:33:43.452Z","updatedAt":"2025-02-25T14:51:18.769Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["minio minio"],"affected":[{"vendor":"minio","product":"minio","versions":[{"version":"< RELEASE.2023-03-20T20-16-18Z","status":"affected"}]}],"references":["https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z"],"weaknesses":["CWE-668"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/28xxx/CVE-2023-28433.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-28433","state":"PUBLISHED","datePublished":"2023-03-22T20:33:43.452Z","dateUpdated":"2025-02-25T14:51:18.769Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-03-15T15:59:10.052Z"},"containers":{"cna":{"title":"Minio Privilege Escalation on Windows via Path separator manipulation","descriptions":[{"lang":"en","value":"Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the `\\` character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to `PutObject` in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds."}],"affected":[{"vendor":"minio","product":"minio","versions":[{"version":"< RELEASE.2023-03-20T20-16-18Z","status":"affected"}]}],"references":[{"url":"https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","name":"https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","name":"https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","tags":["x_refsource_MISC"]},{"url":"https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","name":"https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","tags":["x_refsource_MISC"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","name":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-668","lang":"en","description":"CWE-668: Exposure of Resource to Wrong Sphere","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-03-22T20:33:43.452Z"},"source":{"advisory":"GHSA-w23q-4hw3-2pp6","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","name":"https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","name":"https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","name":"https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","name":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T12:38:25.491Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-25T14:29:09.291844Z","id":"CVE-2023-28433","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-25T14:51:18.769Z"}}]}}}