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Cisco IOS XE Software IPv6 Denial of Service Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A vulnerability in the Autonomic Networking Infrastructure (ANI) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.
Insight
Insight
The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to a device that is running a Cisco IOS XE Software release that supports the ANI feature. A device must meet two conditions to be affected by this vulnerability: - The device must be running a version of Cisco IOS XE Software that supports ANI (regardless of whether ANI is configured) - The device must have a reachable IPv6 interface.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.