CVE-2002-1973
Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2002-1973- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-1973- Updated
- 2026-11-02
EUVDEUVD-2002-1952 No score
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.
- Record
EUVD-2002-1952- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qwpw-w2v5-h4cw No score
Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using...
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.
- Record
GHSA-qwpw-w2v5-h4cw- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Foundation Class Library 7.0 - ISAPI Buffer Overflow | 2002-07-08 |
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-2002-1973 is a high vulnerability (CVSS 7.5) in Working Resources Inc. Badblue, published December 31, 2002. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 40.0%, the 98th percentile. No source names a fixed version.
References
archives.neohapsis.com/archives/bugtraq/2002-07/0082.html
support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B216562
exchange.xforce.ibmcloud.com/vulnerabilities/9529
securityfocus.com/bid/5188
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nvd.nist.gov/vuln/detail/CVE-2002-1973
github.com/advisories/GHSA-qwpw-w2v5-h4cw