CVE-2001-0643
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file...
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
Exploit likelihood
What each source reports
NVD Score used
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
- Record
CVE-2001-0643- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
- Record
CVE-2001-0643- Updated
- 2026-11-02
EUVDEUVD-2001-0630 No score
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
- Record
EUVD-2001-0630- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c2hj-4gfw-x63q No score
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file...
Internet Explorer 5.5 does not display the Class ID (CLSID) when it is at the end of the file name, which could allow attackers to trick the user into executing dangerous programs by making it appear that the document is of a safe file type.
- Record
GHSA-c2hj-4gfw-x63q- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Internet Explorer 5.5 - CLSID File Execution | 2001-04-17 |
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-2001-0643 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Explorer, published September 20, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.4%, the 96th percentile. No source names a fixed version.