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.
1992-12-10T05:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | cisco | ios | 8.2 | Yes |
Operating System | cisco | ios | 8.3 | Yes |
Operating System | cisco | ios | 9.0 | Yes |
Operating System | cisco | ios | 9.1 | Yes |