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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

6 years ago

Modified

Modified

3 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

Common Vulnerabilities and Exposures (CVE)