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Cisco ASR 903 and ASR 920 Series Devices IPv6 Packet Processing Denial of Service Vulnerability
Information
Severity
Severity
Medium
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
6.1
CVSSv2 Vector
CVSSv2 Vector
AV:A/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system.
Insight
Insight
The vulnerability is due to insufficient processing of IPv6 packets by the affected system. The system could push IPv6 traffic to the processor even when the device is not configured for IPv6, which could cause other control packets to be affected.
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.