MS04-011: Security Update for Microsoft Windows (835732) (uncredentialed check)

critical Nessus Plugin ID 12209


Arbitrary code can be executed on the remote host due to a flaw in the LSASS service.


The remote version of Windows contains a flaw in the function 'DsRolerUpgradeDownlevelServer' of the Local Security Authority Server Service (LSASS) that allows an attacker to execute arbitrary code on the remote host with SYSTEM privileges.

A series of worms (Sasser) are known to exploit this vulnerability in the wild.


Microsoft has released a set of patches for Windows NT, 2000, XP and 2003.

See Also

Plugin Details

Severity: Critical

ID: 12209

File Name: smb_kb835732.nasl

Version: 1.56

Type: remote

Agent: windows

Family: Windows

Published: 4/15/2004

Updated: 11/15/2018

Risk Information


Risk Factor: Critical

Score: 9.5


Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Excluded KB Items: SMB/not_windows

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/10/2004

Vulnerability Publication Date: 4/14/2004

Exploitable With


Core Impact

Metasploit (MS04-011 Microsoft LSASS Service DsRolerUpgradeDownlevelServer Overflow)

Reference Information

CVE: CVE-2003-0533

BID: 10108

MSFT: MS04-011

MSKB: 835732