CVE-1999-1465

Summary

CVE-1999-1465 is a vulnerability affecting Cisco IOS 11.1 to 11.3 with distributed fast switching (DFS) enabled. An attacker can exploit this issue to bypass certain access control lists when traffic is switched from a DFS-enabled input interface to an output interface with a logical subinterface. This vulnerability, as detailed in Cisco bug CSCdk43862, could potentially allow unauthorized access to network devices. Network administrators are advised to disable DFS or apply the relevant security patches to mitigate this risk.

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