What’s Vulnerable › Vulnerabilities

CVE-2001-1243

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 70.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2002-05-03 · updated 2026-06-16

Description

Scripting.FileSystemObject in asp.dll for Microsoft IIS 4.0 and 5.0 allows local or remote attackers to cause a denial of service (crash) via (1) creating an ASP program that uses Scripting.FileSystemObject to open a file with an MS-DOS device name, or (2) remotely injecting the device name into ASP programs that internally use Scripting.FileSystemObject.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft IIS: 5.0

References

• http://www.iss.net/security_center/static/6800.php
• http://www.securityfocus.com/archive/1/194919
• http://www.securityfocus.com/bid/2973
• http://www.iss.net/security_center/static/6800.php
• http://www.securityfocus.com/archive/1/194919
• http://www.securityfocus.com/bid/2973

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