CVE-2001-0863

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2001-12-06 · updated 2026-06-16

Description

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not handle the "fragment" keyword in a compiled ACL (Turbo ACL) for packets that are sent to the router, which allows remote attackers to cause a denial of service via a flood of fragments.

Affected products

Cisco 12000 Router: all versions

References

http://www.ciac.org/ciac/bulletins/m-018.shtml
http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
http://www.osvdb.org/1987
http://www.securityfocus.com/bid/3539
https://exchange.xforce.ibmcloud.com/vulnerabilities/7551
http://www.ciac.org/ciac/bulletins/m-018.shtml
http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
http://www.osvdb.org/1987
http://www.securityfocus.com/bid/3539
https://exchange.xforce.ibmcloud.com/vulnerabilities/7551

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