{"containers":{"cna":{"affected":[{"product":"openzeppelin-contracts","vendor":"OpenZeppelin","versions":[{"status":"affected","version":">= 4.1.0 < 4.3.2"}]}],"descriptions":[{"lang":"en","value":"OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using `UUPSUpgradeable` may be vulnerable to an attack affecting uninitialized implementation contracts. A fix is included in version 4.3.2 of `@openzeppelin/contracts` and `@openzeppelin/contracts-upgradeable`. For users unable to upgrade; initialize implementation contracts using `UUPSUpgradeable` by invoking the initializer function (usually called `initialize`). An example is provided [in the forum](https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301)."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-665","description":"CWE-665: Improper Initialization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-11-12T17:55:11.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5vp3-v4hc-gx76"},{"tags":["x_refsource_MISC"],"url":"https://github.com/OpenZeppelin/openzeppelin-contracts/commit/024cc50df478d2e8f78539819749e94d6df60592"},{"tags":["x_refsource_MISC"],"url":"https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301"}],"source":{"advisory":"GHSA-5vp3-v4hc-gx76","discovery":"UNKNOWN"},"title":"UUPSUpgradeable vulnerability in OpenZeppelin Contracts","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-41264","STATE":"PUBLIC","TITLE":"UUPSUpgradeable vulnerability in OpenZeppelin Contracts"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"openzeppelin-contracts","version":{"version_data":[{"version_value":">= 4.1.0 < 4.3.2"}]}}]},"vendor_name":"OpenZeppelin"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using `UUPSUpgradeable` may be vulnerable to an attack affecting uninitialized implementation contracts. A fix is included in version 4.3.2 of `@openzeppelin/contracts` and `@openzeppelin/contracts-upgradeable`. For users unable to upgrade; initialize implementation contracts using `UUPSUpgradeable` by invoking the initializer function (usually called `initialize`). An example is provided [in the forum](https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301)."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-665: Improper Initialization"}]}]},"references":{"reference_data":[{"name":"https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5vp3-v4hc-gx76","refsource":"CONFIRM","url":"https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5vp3-v4hc-gx76"},{"name":"https://github.com/OpenZeppelin/openzeppelin-contracts/commit/024cc50df478d2e8f78539819749e94d6df60592","refsource":"MISC","url":"https://github.com/OpenZeppelin/openzeppelin-contracts/commit/024cc50df478d2e8f78539819749e94d6df60592"},{"name":"https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301","refsource":"MISC","url":"https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301"}]},"source":{"advisory":"GHSA-5vp3-v4hc-gx76","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T03:08:31.576Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5vp3-v4hc-gx76"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/OpenZeppelin/openzeppelin-contracts/commit/024cc50df478d2e8f78539819749e94d6df60592"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://forum.openzeppelin.com/t/security-advisory-initialize-uups-implementation-contracts/15301"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-41264","datePublished":"2021-11-12T17:55:11.000Z","dateReserved":"2021-09-15T00:00:00.000Z","dateUpdated":"2024-08-04T03:08:31.576Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}