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Fencer Vulns
medium 5.0

CVE-2000-0426 json

UltraBoard 1.6 and other versions allow remote attackers to cause a denial of service by referencing UltraBoard in the Session parameter, w…

published 2000-05-05 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0425

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
1
Exploit-DB

Summary

UltraBoard 1.6 and other versions allow remote attackers to cause a denial of service by referencing UltraBoard in the Session parameter, which causes UltraBoard to fork copies of itself.

Timeline

  1. First public exploit (EDB-19899)
  2. Published

Exploit prediction

2.53% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19899 UltraBoard 1.6 - Denial of Service dos, 2000-05-05

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/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.