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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios | Cisco | 11.1 (including) | 11.1 (including) |
| Ios | Cisco | 11.2 (including) | 11.2 (including) |
| Ios | Cisco | 11.3(11)b (including) | 11.3(11)b (including) |
| Ios | Cisco | 12.0(5.1)xp (including) | 12.0(5.1)xp (including) |
| Ios | Cisco | 12.0(19) (including) | 12.0(19) (including) |
| Ios | Cisco | 12.1 (including) | 12.1 (including) |