CVE-2022-39384

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Before version 4.4.1 but after 3.2.0, initializer functions that are invoked separate from contract creation (the most prominent example being minimal proxies) may be reentered if they make an untrusted non-view external call. Once an initializer has finished running it can never be re-executed. However, an exception put in place to support multiple inheritance made reentrancy possible in the scenario described above, breaking the expectation that there is a single execution. Note that upgradeable proxies are commonly initialized together with contract creation, where reentrancy is not feasible, so the impact of this issue is believed to be minor. This issue has been patched, please upgrade to version 4.4.1. As a workaround, avoid untrusted external calls during initialization."}, {"lang": "es", "value": "OpenZeppelin Contracts es una librer\u00eda para el desarrollo seguro de contratos inteligentes. Antes de la versi\u00f3n 4.4.1 pero despu\u00e9s de la 3.2.0, las funciones de inicializaci\u00f3n que se invocan por separado de la creaci\u00f3n del contrato (el ejemplo m\u00e1s destacado son los servidores proxy m\u00ednimos) se pueden volver a ingresar si realizan una llamada externa sin vista que no sea de confianza. Una vez que un inicializador ha terminado de ejecutarse, nunca podr\u00e1 volver a ejecutarse. Sin embargo, una excepci\u00f3n implementada para admitir la herencia m\u00faltiple hizo posible la reentrada en el escenario descrito anteriormente, rompiendo la expectativa de que haya una ejecuci\u00f3n \u00fanica. Tenga en cuenta que los proxies actualizables normalmente se inicializan junto con la creaci\u00f3n del contrato, donde la reentrada no es factible, por lo que se cree que el impacto de este problema es menor. Este problema ha sido solucionado; actualice a la versi\u00f3n 4.4.1. Como workaround, evite llamadas externas que no sean de confianza durante la inicializaci\u00f3n."}], "id": "CVE-2022-39384", "lastModified": "2026-06-17T04:58:15.520", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-39384", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-23T13:55:05.800336Z", "version": "2.0.3"}}]}, "published": "2022-11-04T22:15:12.100", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3006"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-9c22-pwxw-p6hx"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3006"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-9c22-pwxw-p6hx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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