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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.

Published: Dec 31, 1999 Modified: Apr 16, 2026

CVSS Metrics

Affected Products (1)

Vendor Product Version
cisco ios *

GitHub Security Advisory GHSA-x374-xvgw-jpfc

Vulnerability in Cisco IOS 11.1 through 11.3 with distributed fast switching (DFS) enabled allows...

Risk Scores

CVSS Score 7.5 / 10
EPSS Score 0.35%

Top 42% most likely to be exploited

Threat Score 30.1 / 100

Data Sources

NVD EPSS GitHub