CVE-2001-1243
Scripting.FileSystemObject in asp.dll for Microsoft IIS 4.0 and 5.0 allows local or remote...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-1243- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1243- Updated
- 2026-11-02
EUVDEUVD-2001-1224 No score
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.
- Record
EUVD-2001-1224- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-385r-ghm4-jjf9 No score
Scripting.FileSystemObject in asp.dll for Microsoft IIS 4.0 and 5.0 allows local or remote...
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.
- Record
GHSA-385r-ghm4-jjf9- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft IIS 4.0/5.0 - Device File Local Denial of Service | 2001-07-04 |
| Exploit-DB | Microsoft IIS 4.0/5.0 - Device File Remote Denial of Service | 2001-07-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1243 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Information Server, published July 4, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 70.5%, the 99th percentile. No source names a fixed version.