CVE-2007-4890

Microsoft Visual Studio 6.0 - Arbitrary File Write via VBTOVSI.DLL SaveAs Method

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-4890. PoCs published by shinnai.

AI-analyzed exploit summary This exploit leverages the VBTOVSI.DLL library in Microsoft Visual Studio 6.0 to overwrite arbitrary files on the local system by using the Load() and SaveAs() methods. It demonstrates an arbitrary file overwrite vulnerability that can be triggered via a malicious HTML page.

Description

Absolute directory traversal vulnerability in a certain ActiveX control in the VB To VSI Support Library (VBTOVSI.DLL) 1.0.0.0 in Microsoft Visual Studio 6.0 allows remote attackers to create or overwrite arbitrary files via a full pathname in the argument to the SaveAs method. NOTE: contents can be copied from local files via the Load method.

Exploits (1)

exploitdb WORKING POC VERIFIED
by shinnai · htmlremotewindows
https://www.exploit-db.com/exploits/4394

This exploit leverages the VBTOVSI.DLL library in Microsoft Visual Studio 6.0 to overwrite arbitrary files on the local system by using the Load() and SaveAs() methods. It demonstrates an arbitrary file overwrite vulnerability that can be triggered via a malicious HTML page.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Visual Studio 6.0 VB To VSI Support Library (VBTOVSI.DLL v. 1.0.0.0)
No auth needed
Prerequisites: Victim must open the malicious HTML file in Internet Explorer · Target file must exist locally
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/36571
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/4394
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26779
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25635

Scores

EPSS 0.1636
EPSS Percentile 96.6%

Details

CWE
CWE-22
Status published
Products (1)
microsoft/visual_studio 6.0
Published Sep 14, 2007
Tracked Since Feb 18, 2026