mod_channel in The Ignition Project ignitionServer 0.3.0 to 0.3.6, and possibly earlier versions, does not allow protected operators to access channels that have been locked out by a key, which allows IRC users to cause a denial of service.
http://secunia.com/advisories/15388
Source: Mitre, NVD
Published: 2005-05-17
Updated: 2008-09-05
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P
Severity: Low
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High