{"id":"CVE-2021-43858","state":"PUBLISHED","title":"User privilege escalation in MinIO","description":"MinIO is a Kubernetes native application for cloud storage. Prior to version `RELEASE.2021-12-27T07-23-18Z`, a malicious client can hand-craft an HTTP API call that allows for updating policy for a user and gaining higher privileges. The patch in version `RELEASE.2021-12-27T07-23-18Z` changes the accepted request body type and removes the ability to apply policy changes through this API. There is a workaround for this vulnerability: Changing passwords can be disabled by adding an explicit `Deny` rule to disable the API for users.","publishedAt":"2021-12-27T21:20:11.000Z","updatedAt":"2024-08-04T04:10:17.197Z","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.2021-12-27T07-23-18Z","status":"affected"}]}],"references":["https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx","https://github.com/minio/minio/pull/13976","https://github.com/minio/minio/pull/7949","https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf","https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z"],"weaknesses":["CWE-269"],"ingestedAt":"2026-10-29T19:49:07.642Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/43xxx/CVE-2021-43858.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-43858","state":"PUBLISHED","datePublished":"2021-12-27T21:20:11.000Z","dateUpdated":"2024-08-04T04:10:17.197Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2021-11-16T00:00:00.000Z"},"containers":{"cna":{"title":"User privilege escalation in MinIO","descriptions":[{"lang":"en","value":"MinIO is a Kubernetes native application for cloud storage. Prior to version `RELEASE.2021-12-27T07-23-18Z`, a malicious client can hand-craft an HTTP API call that allows for updating policy for a user and gaining higher privileges. The patch in version `RELEASE.2021-12-27T07-23-18Z` changes the accepted request body type and removes the ability to apply policy changes through this API. There is a workaround for this vulnerability: Changing passwords can be disabled by adding an explicit `Deny` rule to disable the API for users."}],"affected":[{"vendor":"minio","product":"minio","versions":[{"version":"< RELEASE.2021-12-27T07-23-18Z","status":"affected"}]}],"references":[{"url":"https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/minio/minio/pull/13976","tags":["x_refsource_MISC"]},{"url":"https://github.com/minio/minio/pull/7949","tags":["x_refsource_MISC"]},{"url":"https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf","tags":["x_refsource_MISC"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z","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-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2021-12-27T21:20:11.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-j6jc-jqqc-p6cx","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-43858","STATE":"PUBLIC","TITLE":"User privilege escalation in MinIO"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"minio","version":{"version_data":[{"version_value":"< RELEASE.2021-12-27T07-23-18Z"}]}}]},"vendor_name":"minio"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"MinIO is a Kubernetes native application for cloud storage. Prior to version `RELEASE.2021-12-27T07-23-18Z`, a malicious client can hand-craft an HTTP API call that allows for updating policy for a user and gaining higher privileges. The patch in version `RELEASE.2021-12-27T07-23-18Z` changes the accepted request body type and removes the ability to apply policy changes through this API. There is a workaround for this vulnerability: Changing passwords can be disabled by adding an explicit `Deny` rule to disable the API for users."}]},"impact":{"cvss":{"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"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-269: Improper Privilege Management"}]}]},"references":{"reference_data":[{"name":"https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx","refsource":"CONFIRM","url":"https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx"},{"name":"https://github.com/minio/minio/pull/13976","refsource":"MISC","url":"https://github.com/minio/minio/pull/13976"},{"name":"https://github.com/minio/minio/pull/7949","refsource":"MISC","url":"https://github.com/minio/minio/pull/7949"},{"name":"https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf","refsource":"MISC","url":"https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf"},{"name":"https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z","refsource":"MISC","url":"https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z"}]},"source":{"advisory":"GHSA-j6jc-jqqc-p6cx","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/minio/minio/pull/13976","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/minio/minio/pull/7949","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T04:10:17.197Z"}}]}}}