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Fencer Vulns
medium 5.0

CVE-1999-0844 json

Denial of service in MDaemon WorldClient and WebConfig services via a long URL.

published 1999-11-24 26 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0825

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
2
Exploit-DB

Summary

Denial of service in MDaemon WorldClient and WebConfig services via a long URL.

Timeline

  1. First public exploit (EDB-19639)
  2. Published

Exploit prediction

5.83% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19640 Alt-N WorldClient Pro 2.0.0.0/2.0.1.0/Standard 2.0.0.0 - Long URL Denial of Service dos, 1999-11-26
  • EDB-19639 Alt-N MDaemon 2.8.5 - WebConfig Overflow Denial of Service dos, 1999-11-24

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.