MS09-020: Vulnerabilities in Internet Information Services (IIS) Could Allow Elevation of Privilege (970483)

high Nessus Plugin ID 39342
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VPR Score: 6.7


It is possible to bypass authentication on the remote web server.


Due to a flaw in the WebDAV extension for IIS, an anonymous, remote attacker may be able to bypass authentication by sending a specially crafted HTTP request and gain access to a protected location.


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

See Also

Plugin Details

Severity: High

ID: 39342

File Name: smb_nt_ms09-020.nasl

Version: 1.30

Type: local

Agent: windows

Published: 6/10/2009

Updated: 11/15/2018

Dependencies: smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.9

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:POC/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows, cpe:/a:microsoft:iis

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/9/2009

Vulnerability Publication Date: 5/15/2009

Reference Information

CVE: CVE-2009-1122, CVE-2009-1535

BID: 34993

MSFT: MS09-020

MSKB: 970483

EDB-ID: 8704

CWE: 287