# CVE-2002-1973

## Summary

- **CVE ID:** CVE-2002-1973
- **Severity:** UNKNOWN
- **CVSS Score:** 2.41
- **CWE:** N/A
- **Published:** Jun 28, 2005
- **Last Modified:** Mar 16, 2026

## Description

Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static libraries in Visual C++ 5.0, and 6.0 before SP3, as used in multiple products including BadBlue, allows remote attackers to cause a denial of service (access violation and crash) and possibly execute arbitrary code via a long query string that causes a parsing error.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://archives.neohapsis.com/archives/bugtraq/2002-07/0082.html)
- [CNA](http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B216562)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/9529)
- [CNA](http://www.securityfocus.com/bid/5188)
- [CNA](http://archives.neohapsis.com/archives/bugtraq/2002-07/0145.html)
- [CNA](http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B310649)
- [CNA](http://archives.neohapsis.com/archives/bugtraq/2002-07/0135.html)
- [CNA](http://archives.neohapsis.com/archives/bugtraq/2002-07/0144.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 60.23%
- **EPSS Percentile:** 98.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._