Description
Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack."
References (3)
Core 3
Core References
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/245190
Vendor Advisory vendor-advisory
x_refsource_cisco
http://www.cisco.com/warp/public/707/cisco-sa-20040609-catos.shtml
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/16370
Scores
EPSS
0.0313
EPSS Percentile
86.5%
Details
Status
published
Products (50)
cisco/catalyst_2901
cisco/catalyst_2902
cisco/catalyst_2926
cisco/catalyst_2926f
cisco/catalyst_2926gl
cisco/catalyst_2926gs
cisco/catalyst_2926t
cisco/catalyst_2948
cisco/catalyst_2948-ge-tx
cisco/catalyst_2948g-l3
... and 40 more
Published
Aug 06, 2004
Tracked Since
Feb 18, 2026