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Cisco IOS XR for Cisco ASR 9000 Series Aggregation Services Routers Interface Flap Vulnerability
Information
Severity
Severity
Medium
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
A vulnerability in packet processing functions of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause cyclic redundancy check (CRC) and symbol errors on the receiving interface of an affected device, which may lead to an interface flap.
Insight
Insight
The vulnerability is due to improper processing of packets that contain certain crafted bit patterns.
Detection Method
Detection Method
Check the IOS XR Version
Solution
Solution
See advisory for a solution