CVE-2021-32742

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{"affected": [{"affectedData": [{"product": "vapor", "vendor": "vapor", "versions": [{"status": "affected", "version": "<= 4.47.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vapor_project:vapor:*:*:*:*:*:swift:*:*", "matchCriteriaId": "D54A01FA-3CCC-40D8-9E87-6536662BE896", "versionEndExcluding": "4.47.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vapor is a web framework for Swift. In versions 4.47.1 and prior, bug in the `Data.init(base32Encoded:)` function opens up the potential for exposing server memory and/or crashing the server (Denial of Service) for applications where untrusted data can end up in said function. Vapor does not currently use this function itself so this only impact applications that use the impacted function directly or through other dependencies. The vulnerability is patched in version 4.47.2. As a workaround, one may use an alternative to Vapor's built-in `Data.init(base32Encoded:)`."}, {"lang": "es", "value": "Vapor es un framework web para Swift. En las versiones 4.47.1 y anteriores, un bug en la funci\u00f3n \"Data.init(base32Encoded:)\" abre el potencial para exponer la memoria del servidor y/o de bloquear el servidor (Denegaci\u00f3n de Servicio) para aplicaciones en las que datos no confiables pueden terminar en dicha funci\u00f3n. Vapor no usa actualmente esta funci\u00f3n por s\u00ed mismo, por lo que esto s\u00f3lo afecta a las aplicaciones que usan la funci\u00f3n impactada directamente o mediante otras dependencias. La vulnerabilidad est\u00e1 parcheada en la versi\u00f3n 4.47.2. Como soluci\u00f3n alternativa, se puede usar una alternativa a la funci\u00f3n incorporada de Vapor \"Data.init(base32Encoded:)\""}], "id": "CVE-2021-32742", "lastModified": "2026-06-17T03:53:32.430", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-09T14:15:07.987", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/vapor/vapor/releases/tag/4.47.2"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/vapor/vapor/security/advisories/GHSA-pqwh-c2f3-vxmq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/vapor/vapor/releases/tag/4.47.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/vapor/vapor/security/advisories/GHSA-pqwh-c2f3-vxmq"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-502"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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