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Cisco Carrier Routing System IPv6 Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

5.7

CVSSv2 Vector

CVSSv2 Vector

AV:A/AC:M/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in IPv6 over MPLS packet processing of Cisco IOS XR for Cisco Carrier Routing System (CRS) platforms could allow an unauthenticated, adjacent attacker to cause a reload of the affected line card.

Insight

Insight

The vulnerability is due to insufficient logic in processing of crafted IPv6 over MPLS packets. An attacker could exploit this vulnerability by sending a crafted IPv6 over MPLS packet to be processed by an affected device.

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.

Common Vulnerabilities and Exposures (CVE)