Description
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.
Metrics
CVSS 2.0 7.5/10
AV:N/AC:L/Au:N/C:P/I:P/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- 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
Timeline
- Published
- Dec 31, 1999
- Last modified
- Jun 16, 2026
- NVD status
- Modified