CVE-2009-1122

high Microsoft
CVSS v3 Base Score
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Score
92.3%
Exploitation probability in 30 days
Top 0% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P
Published: June 10, 2009 (6182 days ago)
Last Modified: April 23, 2026
Vendor: Microsoft
Source: NVD

Description

The WebDAV extension in Microsoft Internet Information Services (IIS) 5.0 on Windows 2000 SP4 does not properly decode URLs, which allows remote attackers to bypass authentication, and possibly read or create files, via a crafted HTTP request, aka "IIS 5.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1535.

CWE

CWE-287

Affected Products

microsoft internet information services

References

🔗 www.attrition.org 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 www.us-cert.gov 🔗 www.vupen.com