CVE-2002-1973

critical

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/9529

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B310649

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B216562

http://archives.neohapsis.com/archives/bugtraq/2002-07/0145.html

http://archives.neohapsis.com/archives/bugtraq/2002-07/0144.html

http://archives.neohapsis.com/archives/bugtraq/2002-07/0082.html

Details

Source: Mitre, NVD

Published: 2002-12-31

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.40046