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Cisco ASR 1000 Series Aggregation Services Routers Data-Plane Processing 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
Cisco ASR 1000 Series Aggregation Services Routers contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service condition.
Insight
Insight
The vulnerability is due to the processing of excessive number of IPv4 packets that require fragmentation and reassembly. An attacker could exploit this vulnerability by sending an excessive number of fragmented packets, causing high Cisco QuantumFlow Processor (QFP) CPU utilization in the Embedded Services Processor (ESP).
Affected Software
Affected Software
Cisco ASR 1000 Series 15.5 Base, (3)S
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Please see the vendor advisory for more information and released fixes.