| Last Updated Date | Jun 23, 2009 |
| Release Date | Jun 11, 2009 |
| Severity | Medium |
| Impact | Security Bypass: Remote attackers can bypass security checking of vulnerable systems. |
| Description | This indicates an attack attempt to exploit an authentication-bypass vulnerability in the Microsoft Windows IIS server.
The vulnerability is caused by an error that occurs when the vulnerable
software handles a malicious Web DAV request. A remote attacker may exploit this to bypass the authentication via a crafted HTTP request. |
| Affected Products | Microsoft Internet Information Services 5.0 |
| Recommended Actions | Refer to the Microsoft Security Advisory for the suggested workaround:
http://www.microsoft.com/technet/security/Bulletin/ms09-020.mspx |
| Common Vulnerabilities and Exposures (CVE) | http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-1122
|
| Microsoft Bulletin ID | MS09-020 http://www.microsoft.com/technet/security/Bulletin/ms09-020.mspx |