Vulnerability Description
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."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 2000 | - |
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
Related Weaknesses (CWE)
References
- http://www.us-cert.gov/cas/techalerts/TA09-251A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-04
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://www.us-cert.gov/cas/techalerts/TA09-251A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-04
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2009-1920?
CVE-2009-1920 is a vulnerability with a CVSS score of 9.3 (HIGH). 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...
How severe is CVE-2009-1920?
CVE-2009-1920 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1920?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 2000, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.