Description
Cisco IOS 12.2 and earlier running Cisco Discovery Protocol (CDP) allows remote attackers to cause a denial of service (memory consumption) via a flood of CDP neighbor announcements.
Affected products
- Cisco / catos4.5(1) – 4.5(1)
- Cisco / IOS11.2 – 11.2
- Cisco / IOS11.3(11)b – 11.3(11)b
- Cisco / IOS11.1 – 11.1
- Cisco / IOS12.0(19) – 12.0(19)
- Cisco / IOS12.1 – 12.1
- Cisco / IOS12.0(5.1)xp – 12.0(5.1)xp