Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial packet fragments, which allows remote attackers to bypass the ACL.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7550
http://www.securityfocus.com/bid/3535
http://www.osvdb.org/1985
http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
http://www.ciac.org/ciac/bulletins/m-018.shtml
Source: Mitre, NVD
Published: 2001-12-06
Updated: 2017-10-10
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High