Total vulnerabilities in the database
Cisco IOS 11.1 through 12.2, when HSRP support is not enabled, allows remote attackers to cause a denial of service (CPU consumption) via randomly sized UDP packets to the Hot Standby Routing Protocol (HSRP) port 1985.
| Software | From | Fixed in |
|---|---|---|
| cisco / ios | 12.1 | 12.1.x |
| cisco / ios | 11.2 | 11.2.x |
| cisco / ios | 12.2 | 12.2.x |
| cisco / ios | 12.0 | 12.0.x |
| cisco / ios | 11.1 | 11.1.x |