CVE-1999-0021
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
Exploit likelihood
What each source reports
NVD Score used
7.5
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
- Record
CVE-1999-0021- 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
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
- Record
CVE-1999-0021- Updated
- 2026-11-02
EUVDEUVD-1999-0021 No score
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
- Record
EUVD-1999-0021- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9cq6-7hj7-4449 No score
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.
- Record
GHSA-9cq6-7hj7-4449- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Muhammad A. Muquit wwwcount 2.3 - 'Count.cgi' Remote Buffer Overflow | 1997-10-16 |
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-1999-0021 is a high vulnerability (CVSS 7.5) in Muhammad A. Muquit Wwwcount, published November 5, 1997. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 26.7%, the 98th percentile. No source names a fixed version.