CVE-2012-0352: Cisco Nexus 1000v

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 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 products

• Cisco Nexus 1000v
• Cisco Nexus 5000
• Cisco Nexus 5010
• Cisco Nexus 5020
• Cisco Nexus 5548p
• Cisco Nexus 5548up
• Cisco Nexus 5596up
• Cisco Nexus 7000
• Cisco Nexus 7000 10-Slot
• Cisco Nexus 7000 18-Slot
• Cisco Nexus 7000 9-Slot
• Cisco NX-OS: version 4.0(0)n1(1a) only; version 4.0(0)n1(2) only; version 4.0(0)n1(2a) only; version 4.0(1a)n1(1) only; version 4.0(1a)n1(1a) only; version 4.0(1a)n2(1) only; …

Published 2012-02-16. Last modified 2026-06-16.