Description
Cisco Catalyst 4000 series switches running CatOS 5.5.5, 6.3.5, and 7.1.2 do not always learn MAC addresses from a single initial packet, which causes unicast traffic to be broadcast across the switch and allows remote attackers to obtain sensitive network information by sniffing.
References (4)
Core 4
Core References
Exploit mailing-list
x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2002-06/0209.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/4790
Third Party Advisory vdb-entry
x_refsource_xf
http://www.iss.net/security_center/static/9148.php
Exploit mailing-list
x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2002-05/0190.html
Scores
EPSS
0.0123
EPSS Percentile
65.8%
Details
Status
published
Products (3)
cisco/catos
5.5\(5\)
cisco/catos
6.3\(5\)
cisco/catos
7.1\(2\)
Published
Dec 31, 2002
Tracked Since
Feb 18, 2026