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Intelligence Center » Browse All Vulnerabilities » CVE-2012-3946


Vulnerability Score 5.0 5.0
CVE Id CVE-2012-3946
Last Modified 24 Apr 2014 02:38:17
Published 24 Apr 2014 06:55:02
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact NONE NONE
Availability Impact NONE NONE
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Cisco IOS before 15.3(2)S allows remote attackers to bypass interface ACL restrictions in opportunistic circumstances by sending IPv6 packets in an unspecified scenario in which expected packet drops do not occur for "a small percentage" of the packets, aka Bug ID CSCty73682.

Vulnerable Systems

Operating System

  • Cisco Ios 15.3



Last Updated: 27 May 2016 11:05:04