Vulnerability in Cisco routers versions 8.2 through 9.1 allows remote attackers to bypass access control lists when extended IP access lists are used on certain interfaces, the IP route cache is enabled, and the access list uses the established keyword.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios | Cisco | 8.2 (including) | 8.2 (including) |
| Ios | Cisco | 8.3 (including) | 8.3 (including) |
| Ios | Cisco | 9.0 (including) | 9.0 (including) |
| Ios | Cisco | 9.1 (including) | 9.1 (including) |