Cisco AS5350 IOS 12.2(11)T with access control lists (ACLs) applied and possibly with ssh running allows remote attackers to cause a denial of service (crash) via a port scan, possibly due to an ssh bug. NOTE: this issue could not be reproduced by the vendor
http://www.securityfocus.com/bid/6059
http://www.iss.net/security_center/static/10522.php
http://www.cisco.com/en/US/products/hw/univgate/ps501/products_security_notice09186a008024dba2.html
http://cert.uni-stuttgart.de/archive/bugtraq/2002/10/msg00420.html
http://cert.uni-stuttgart.de/archive/bugtraq/2002/10/msg00413.html
http://cert.uni-stuttgart.de/archive/bugtraq/2002/10/msg00411.html
http://cert.uni-stuttgart.de/archive/bugtraq/2002/10/msg00397.html