{"id":"EUVD-2023-2395","revision":null,"records":[{"revision":"4cc5ce3e12284f3ea4795d7ad26f8c66","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-28434","aliases":[],"title":"MinIO is vulnerable to privilege escalation on Linux/MacOS","description":"Minio is a Multi-Cloud Object Storage framework. Prior to RELEASE.2023-03-20T20-16-18Z, an attacker can use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket`. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access. This issue has been patched in RELEASE.2023-03-20T20-16-18Z. As a workaround, enable browser API access and turn off `MINIO_BROWSER=off`.","state":0,"publishedAt":"2023-03-22T20:44:04.216+00:00","modifiedAt":"2025-10-21T23:15:22.302+00:00","affected":[{"ecosystem":"Vendor product","name":"minio","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"minio\",\n                    \"product\": \"minio\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< RELEASE.2023-03-20T20-16-18Z\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c","https://github.com/minio/minio/pull/16849","https://github.com/minio/minio/commit/67f4ba154a27a1b06e48bfabda38355a010dfca5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-28434","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-28434","identifiers":["CVE-2023-28434"]},"retained":false,"historicalAffected":[]},{"revision":"a220597263984e3ea04a77da7b9e5f80","observedAt":"2026-11-10T01:23:29.595+00:00","statement":{"source":"euvd","id":"EUVD-2023-2395","aliases":["CVE-2023-28434","GHSA-2pxw-r47w-4p8c"],"title":"Minio is a Multi-Cloud Object Storage framework. 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Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2023-2395","identifiers":["EUVD-2023-2395","CVE-2023-28434","GHSA-2pxw-r47w-4p8c"]},"retained":false,"historicalAffected":[]},{"revision":"c8cb6661a8ee4493b4ab0a95f2fffdf5","observedAt":"2026-10-24T21:17:34.442+00:00","statement":{"source":"nvd","id":"CVE-2023-28434","aliases":[],"title":"Minio is a Multi-Cloud Object Storage framework. Prior to RELEASE.2023-03-20T20-16-18Z, an attacker can use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket`. To c…","description":"Minio is a Multi-Cloud Object Storage framework. Prior to RELEASE.2023-03-20T20-16-18Z, an attacker can use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket`. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access. This issue has been patched in RELEASE.2023-03-20T20-16-18Z. As a workaround, enable browser API access and turn off `MINIO_BROWSER=off`.","state":0,"publishedAt":"2023-03-22T21:15:18.427+00:00","modifiedAt":"2026-06-17T05:47:43.61+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://github.com/minio/minio/commit/67f4ba154a27a1b06e48bfabda38355a010dfca5","https://github.com/minio/minio/pull/16849","https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28434"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-28434","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-269","NVD-CWE-noinfo"],"productCriteria":["cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2023-03-22T21:15:18.427","lastModified":"2026-06-17T05:47:43.610"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2023-28434","identifiers":["CVE-2023-28434"]},"retained":false,"historicalAffected":[]},{"revision":"81b6764248444832b9e686e2a990bd8d","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-2pxw-r47w-4p8c","aliases":["CVE-2023-28434"],"title":"Privilege Escalation on Linux/MacOS","description":"### Impact\nAn attacker can use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket`. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access.\n\n### Patches\n```\ncommit 67f4ba154a27a1b06e48bfabda38355a010dfca5\nAuthor: Aditya Manthramurthy <donatello@users.noreply.github.com>\nDate:   Sun Mar 19 21:15:20 2023 -0700\n\n    fix: post policy request security bypass (#16849)\n```\n\n### Workarounds\nBrowser API access must be enabled turning off `MINIO_BROWSER=off` allows for this workaround.\n\n### References\nThe vulnerable code:\n```go\n// minio/cmd/generic-handlers.go\nfunc setRequestValidityHandler(h http.Handler) http.Handler {\n  return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {\n    // ...\n    // For all other requests reject access to reserved buckets\n    bucketName, _ := request2BucketObjectName(r)\n    if isMinioReservedBucket(bucketName) || isMinioMetaBucket(bucketName) {\n      if !guessIsRPCReq(r) && !guessIsBrowserReq(r) && !guessIsHealthCheckReq(r) && !guessIsMetricsReq(r) && !isAdminReq(r) && !isKMSReq(r) {\n        if ok {\n          tc.FuncName = \"handler.ValidRequest\"\n          tc.ResponseRecorder.LogErrBody = true\n        }\n        writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrAllAccessDisabled), r.URL)\n        return\n      }\n    }\n    // ...\n```","state":0,"publishedAt":"2023-09-05T15:45:10+00:00","modifiedAt":"2026-10-08T08:11:01.9635312+00:00","affected":[{"ecosystem":"Go","name":"github.com/minio/minio","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.0.0-202303200415"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c","https://nvd.nist.gov/vuln/detail/CVE-2023-28434","https://github.com/minio/minio/pull/16849","https://github.com/minio/minio/commit/67f4ba154a27a1b06e48bfabda38355a010dfca5","https://github.com/minio/minio","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28434"],"sourceUrl":"https://github.com/advisories/GHSA-2pxw-r47w-4p8c","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-2pxw-r47w-4p8c","identifiers":["GHSA-2pxw-r47w-4p8c","CVE-2023-28434"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-11T09:57:43.3267414+00:00","complete":true,"records":1779,"lastAttemptAt":"2026-11-11T09:57:43.3267414+00:00","lastSuccessAt":"2026-11-11T09:57:46.3036784+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:57:46.3038639+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-de3b77103708811b6494d2ff7c979037d73ae579742cd1649a5c765137ae5083-f19af5e22c13aa688d23829fe96c281d0deaf6cf2f8cee6748f54f5a479127b2","complete":true,"records":424021,"lastAttemptAt":"2026-11-11T09:57:38.9264743+00:00","lastSuccessAt":"2026-11-11T09:25:54.5258746+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:57:38.9264743+00:00","snapshotPublishedAt":"2026-11-11T09:25:28+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-f581ef223ba240a69a1abcff00ee4876","complete":true,"records":13758,"lastAttemptAt":"2026-11-11T09:58:42.1822037+00:00","lastSuccessAt":"2026-11-11T09:58:42.065+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:58:42.065+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13812,"expectedIdentifiers":13812,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. 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No reader inventory is sent.","generation":"enrichment-304fa97221904da4b3dcd306fc4b8a4b","complete":true,"records":13752,"lastAttemptAt":"2026-11-11T09:57:53.9573384+00:00","lastSuccessAt":"2026-11-11T09:26:01.454+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:26:01.454+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13812,"expectedIdentifiers":13812,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-3562b6c78fd1bd0f0b55daf66a0926ae24f65e462df7f6d928caad458fc696bf","complete":true,"records":9947,"lastAttemptAt":"2026-11-11T09:57:42.4406155+00:00","lastSuccessAt":"2026-11-11T04:27:43.6877707+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:57:42.4406155+00:00","snapshotPublishedAt":"2026-11-11T03:32:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-456002455e0ab94bb92c95476d4e6d175c104cd594749982afd96c893728ecbc","complete":true,"records":2010,"lastAttemptAt":"2026-11-11T09:57:39.9639043+00:00","lastSuccessAt":"2026-11-11T02:36:58.1276999+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:57:39.9639043+00:00","snapshotPublishedAt":"2026-11-11T01:17:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-2bc186fc4a8179fd66d765079d475b0b8e3af9f89b57dcc310e7773ded48b2cc","complete":true,"records":3088,"lastAttemptAt":"2026-11-11T09:57:43.196106+00:00","lastSuccessAt":"2026-11-11T09:25:59.9234294+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:57:43.196106+00:00","snapshotPublishedAt":"2026-11-11T09:02:55+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-085e065fc9050ae18408f7e722c39653aeb186872334d7b3ec1fcafb7ed43d25","complete":true,"records":231665,"lastAttemptAt":"2026-11-11T09:57:41.7897107+00:00","lastSuccessAt":"2026-11-11T08:27:45.2700102+00:00","error":null,"lastVerifiedAt":"2026-11-11T09:57:41.7897107+00:00","snapshotPublishedAt":"2026-11-11T07:32:59+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}