{"id":"CVE-2023-28433","sourceIdentifier":"security-advisories@github.com","published":"2023-03-22T21:15:18.340","lastModified":"2026-06-17T05:47:42.330","vulnStatus":"Modified","cveTags":[],"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":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"minio","product":"minio","versions":[{"version":"< RELEASE.2023-03-20T20-16-18Z","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-02-25T14:29:09.291844Z","id":"CVE-2023-28433","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-668"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*","versionEndExcluding":"2023-03-20t20-16-18z","matchCriteriaId":"63CBB19F-80FF-4D6B-ADF3-7BD9768861D0"}]}]}],"references":[{"url":"https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","source":"security-advisories@github.com","tags":["Vendor Advisory"]},{"url":"https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"]},{"url":"https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}