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Fencer Vulns
high 7.5

CVE-1999-0021 in the critical feed json

Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.

published 1997-11-05 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0021

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
26.7%
EPSS 26.7% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Arbitrary command execution via buffer overflow in Count.cgi (wwwcount) cgi-bin program.

Timeline

  1. First public exploit (EDB-19105)
  2. Published

Exploit prediction

26.67% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19105 Muhammad A. Muquit wwwcount 2.3 - 'Count.cgi' Remote Buffer Overflow remote, 1997-10-16

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.