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Multiple Cisco Nexus Devices IP Stack Remote Denial of Service Vulnerability

Information

Severity

Severity

High

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

3 years ago

Summary

Multiple Cisco Nexus devices are prone to a denial-of-service vulnerability.

Insight

Insight

Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches. Version 4.x and 5.0.x before 5.0(2)N1(1) on Nexus 5000 series switches, and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service (netstack process crash and device reload) via a malformed IP packet, aka Bug IDs CSCti23447, CSCti49507, and CSCtj01991.

Affected Software

Affected Software

The following devices are affected: Cisco Nexus 1000V Cisco Nexus 5000 Cisco Nexus 7000

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

The vendor has released updates. Please see the referenced advisory for details.

Common Vulnerabilities and Exposures (CVE)