CVE-2009-1920

Severity CVSS v4.0:

Pending analysis

Type:

CWE-94 Code Injection

Publication date:

08/09/2009

Last modified:

09/04/2025

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."

Impact

Vector 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

9.30

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:microsoft:windows_2000:-:sp4::::::
cpe:2.3:o:microsoft:windows_server_2003::sp2::::::*
cpe:2.3:o:microsoft:windows_server_2008:::itanium:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:-:x32:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:-:x64:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:::::*
cpe:2.3:o:microsoft:windows_vista::::::::
cpe:2.3:o:microsoft:windows_vista::sp1::::::*
cpe:2.3:o:microsoft:windows_vista::sp2::::::*
cpe:2.3:o:microsoft:windows_vista:-:-:x64:::::*
cpe:2.3:o:microsoft:windows_vista:-:sp1::::::
cpe:2.3:o:microsoft:windows_vista:-:sp2::::::
cpe:2.3:o:microsoft:windows_xp::sp2:professional_x64:::::

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:microsoft:windows_2000:-:sp4::::::
cpe:2.3:o:microsoft:windows_server_2003::sp2::::::*
cpe:2.3:o:microsoft:windows_server_2008:::itanium:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:-:x32:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:-:x64:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:::::*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:::::*
cpe:2.3:o:microsoft:windows_vista::::::::
cpe:2.3:o:microsoft:windows_vista::sp1::::::*
cpe:2.3:o:microsoft:windows_vista::sp2::::::*
cpe:2.3:o:microsoft:windows_vista:-:-:x64:::::*
cpe:2.3:o:microsoft:windows_vista:-:sp1::::::
cpe:2.3:o:microsoft:windows_vista:-:sp2::::::
cpe:2.3:o:microsoft:windows_xp::sp2:professional_x64:::::

CVE-2009-1920

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools