CVE-2002-1973
Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
Published
- 1 day later
· 1 day later
ID reserved
By mitre
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 40.0% · top 1.4% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- 20020708 ALERT: Working Resources BadBlue #2 (DoS, Heap Overflow) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 216562 (opens in a new tab)vendor-advisoryx_refsource_MSKBx_transferred
- mfc-lib-isapi-bo(9529) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 5188 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20020712 MFC Overflow Test Code (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 310649 (opens in a new tab)vendor-advisoryx_refsource_MSKBx_transferred
- 20020711 MFC ISAPI Framework Buffer Overflow (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20020712 Re: MFC ISAPI Framework Buffer Overflow (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2002-1973)Record last updated .