CVE-1999-1465

Vulnerability in Cisco IOS 11.1 through 11.3 with distributed fast switching (DFS) enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled input interface to an output interface with a logical subinterface, as described by Cisco bug CSCdk43862.

• http://ciac.llnl.gov/ciac/bulletins/j-016.shtmlPatch, Vendor Advisory
• http://www.cisco.com/warp/public/770/iosdfsacl-pub.shtmlPatch, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/1401
• http://ciac.llnl.gov/ciac/bulletins/j-016.shtmlPatch, Vendor Advisory
• http://www.cisco.com/warp/public/770/iosdfsacl-pub.shtmlPatch, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/1401

Published

Dec 31, 1999

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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