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Cisco Nexus 5000, 6000, and 7000 Series Switches Software IS-IS Packet Processing 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

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in Intermediate System-to-Intermediate System (IS-IS) protocol packet processing of Cisco Nexus 5000, 6000, and 7000 Series Switches software could allow an unauthenticated, adjacent attacker to cause a reload of the affected device.

Insight

Insight

The vulnerability is due to improper processing of crafted IS-IS protocol packets. An attacker could exploit this vulnerability by sending a crafted IS-IS protocol packet over an established adjacency.

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)