CVE-2022-2421

{"id": "CVE-2022-2421", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-10-26T10:15:16.780", "references": [{"url": "https://csirt.divd.nl/CVE-2022-2421", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://csirt.divd.nl/DIVD-2022-00045", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://csirt.divd.nl/CVE-2022-2421", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://csirt.divd.nl/DIVD-2022-00045", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-89"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object."}, {"lang": "es", "value": "Debido a una incorrecta comprobaci\u00f3n de tipos en el an\u00e1lisis de archivos adjuntos de la biblioteca js Socket.io, es posible sobrescribir el objeto _placeholder, lo que permite a un atacante colocar referencias a funciones en lugares arbitrarios en el objeto de consulta resultante"}], "lastModified": "2026-02-06T11:30:45.227", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "A71164DE-F49F-4BB6-8F5B-B3F1CAF74021", "versionEndExcluding": "3.3.3"}, {"criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "341DC336-DDBF-4EB8-BD8C-39427AABD9E6", "versionEndExcluding": "3.4.2", "versionStartIncluding": "3.4.0"}, {"criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "09139258-15B4-4ABF-B211-21A4BD80B123", "versionEndExcluding": "4.0.5", "versionStartIncluding": "4.0.0"}, {"criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "D9EC7F6F-846D-4F2B-B808-8C90894EC0C0", "versionEndExcluding": "4.2.1", "versionStartIncluding": "4.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}