CVE-1999-1464

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 1999-12-31 · updated 2026-06-16

Description

Vulnerability in Cisco IOS 11.1CC and 11.1CT with distributed fast switching (DFS) enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled interface to an interface that does not have DFS enabled, as described by Cisco bug CSCdk35564.

Affected products

Cisco IOS: 11.1cc, 11.1ct

References

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

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