CVE-2009-1920

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:*", "matchCriteriaId": "CA2CBE65-F4B6-49AF-983C-D3CF6C172CC5", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*", "matchCriteriaId": "4D3B5E4F-56A6-4696-BBB4-19DF3613D020", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*", "matchCriteriaId": "7F6EA111-A4E6-4963-A0C8-F9336C605B6E", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:-:x32:*:*:*:*:*", "matchCriteriaId": "26A548AB-7C40-4CB7-B024-8A2DA947F245", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:-:x64:*:*:*:*:*", "matchCriteriaId": "5BE99796-BADE-40D1-AD85-03D28A466E5F", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*", "matchCriteriaId": "7AE15F6C-80F6-43A6-86DA-B92116A697A0", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:*:*:*:*:*", "matchCriteriaId": "2C9B0563-D613-497D-8F2E-515E6DA00CA5", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:*:*:*:*:*", "matchCriteriaId": "BA99C751-91CB-43D4-93FF-1C12342CAF1E", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*", "matchCriteriaId": "3852BB02-47A1-40B3-8E32-8D8891A53114", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*", "matchCriteriaId": "C162FFF0-1E8F-4DCF-A08F-6C6E324ED878", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*", "matchCriteriaId": "0A0D2704-C058-420B-B368-372D1129E914", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_vista:-:-:x64:*:*:*:*:*", "matchCriteriaId": "CD560746-0AED-4646-934E-6742888FB6F2", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*", "matchCriteriaId": "3A04E39A-623E-45CA-A5FC-25DAA0F275A3", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*", "matchCriteriaId": "BF1AD1A1-EE20-4BCE-9EE6-84B27139811C", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_xp:*:sp2:professional_x64:*:*:*:*:*", "matchCriteriaId": "1AB9988B-5A9C-4F6D-BCCC-4D03AC6E4CF9", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*", "matchCriteriaId": "34DF3B5E-F17F-49B4-9DC8-06749F3C9CC3", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*", "matchCriteriaId": "C9392D35-7BF5-48E9-879B-BBDE9A9E9AB9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The JScript scripting engine 5.1, 5.6, 5.7, and 5.8 in JScript.dll in Microsoft Windows, as used in Internet Explorer, does not properly load decoded scripts into memory before execution, which allows remote attackers to execute arbitrary code via a crafted web site that triggers memory corruption, aka \"JScript Remote Code Execution Vulnerability.\""}, {"lang": "es", "value": "El motor de secuencias de comandos JScript v5.1, v5.6, v5.7, y v5.8 en JScript.dll en Microsoft Windows, utilizado en Internet Explorer, no carga apropiadamente dentro de memoria secuencias de comandos decodificada o anteriores a la ejecuci\u00f3n, lo que permite a los atacantes remoto ejecutar arbitrariamente c\u00f3digo a trav\u00e9s de una p\u00e1gina web manipulada que lanza una corrupci\u00f3n de memoria, tambi\u00e9n conocido como \"Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo JScript\"."}], "id": "CVE-2009-1920", "lastModified": "2026-06-16T23:08:21.923", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}]}, "published": "2009-09-08T22:30:00.313", "references": [{"source": "secure@microsoft.com", "tags": ["US Government Resource"], "url": "http://www.us-cert.gov/cas/techalerts/TA09-251A.html"}, {"source": "secure@microsoft.com", "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-045"}, {"source": "secure@microsoft.com", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6316"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["US Government Resource"], "url": "http://www.us-cert.gov/cas/techalerts/TA09-251A.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-045"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6316"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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