CVE-2009-1926

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

08/09/2009

Last modified:

09/04/2025

Description

Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP sessions that have pending data and a (1) small or (2) zero receive window size, and remain in the FIN-WAIT-1 or FIN-WAIT-2 state indefinitely, aka "TCP/IP Orphaned Connections Vulnerability."

Impact

Vector 2.0

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

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0

7.80

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::::::*

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::::::*

CVE-2009-1926

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools