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Fencer Vulns
medium 5.0

CVE-2002-0741 json

psyBNC 2.3 allows remote attackers to cause a denial of service (CPU consumption and resource exhaustion) by sending a PASS command with a…

published 2002-08-12 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0733

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.0%
EPSS 8.0% chance of exploitation in 30 days, percentile 94%
public exploits
2
Exploit-DB

Summary

psyBNC 2.3 allows remote attackers to cause a denial of service (CPU consumption and resource exhaustion) by sending a PASS command with a long password argument and quickly killing the connection, which is not properly terminated by psyBNC.

Patch / fix

Timeline

  1. First public exploit (EDB-21409)
  2. Published

Exploit prediction

7.99% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-21409 psyBNC 2.3 - Oversized Passwords Denial of Service dos, 2002-04-22
  • EDB-383 psyBNC 2.3 - Denial of Service dos, 2002-05-19
  • securityfocus.com http://www.securityfocus.com/bid/4570 referenced PoC, tagged "exploit" by a source, unverified

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.