CVE-2021-25948

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{"affected": [{"affectedData": [{"product": "expand-hash", "vendor": "n/a", "versions": [{"status": "affected", "version": "0.1.0, 0.1.1, 0.2.1, 0.2.2, 1.0.0, 1.0.1"}]}], "source": "vulnerabilitylab@mend.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:expand-hash_project:expand-hash:*:*:*:*:*:*:*:*", "matchCriteriaId": "C415A71D-B984-4AFE-8BE5-23C8C4FE764E", "versionEndIncluding": "1.0.1", "versionStartIncluding": "0.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Prototype pollution vulnerability in 'expand-hash' versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution."}, {"lang": "es", "value": "La vulnerabilidad de contaminaci\u00f3n de prototipos en las versiones 0.1.0 a 1.0.1 de 'expand-hash' permite a un atacante provocar una denegaci\u00f3n de servicio y puede llevar a la ejecuci\u00f3n remota de c\u00f3digo"}], "id": "CVE-2021-25948", "lastModified": "2026-06-17T03:42:39.637", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-10T12:15:08.607", "references": [{"source": "vulnerabilitylab@mend.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19"}, {"source": "vulnerabilitylab@mend.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948"}], "sourceIdentifier": "vulnerabilitylab@mend.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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