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.
2012-02-16T21:55:00.943
2025-04-11T00:51:21.963
Deferred
CVSSv2: 7.8 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | nx-os | 4.0\(0\)n1\(1a\) | Yes |
| Operating System | cisco | nx-os | 4.0\(0\)n1\(2\) | Yes |
| Operating System | cisco | nx-os | 4.0\(0\)n1\(2a\) | Yes |
| Operating System | cisco | nx-os | 4.0\(1a\)n1\(1\) | Yes |
| Operating System | cisco | nx-os | 4.0\(1a\)n1\(1a\) | Yes |
| Operating System | cisco | nx-os | 4.0\(1a\)n2\(1\) | Yes |
| Operating System | cisco | nx-os | 4.0\(1a\)n2\(1a\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(1\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(2\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(3\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(3a\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(3b\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(3c\) | Yes |
| Operating System | cisco | nx-os | 4.0\(4\)sv1\(3d\) | Yes |
| Operating System | cisco | nx-os | 4.1\(3\)n1\(1\) | Yes |
| Operating System | cisco | nx-os | 4.1\(3\)n1\(1a\) | Yes |
| Operating System | cisco | nx-os | 4.1\(3\)n2\(1\) | Yes |
| Operating System | cisco | nx-os | 4.1\(3\)n2\(1a\) | Yes |
| Operating System | cisco | nx-os | 4.2\(1\)n1\(1\) | Yes |
| Operating System | cisco | nx-os | 4.2\(1\)n2\(1\) | Yes |
| Operating System | cisco | nx-os | 4.2\(1\)n2\(1a\) | Yes |
| Operating System | cisco | nx-os | 4.2\(1\)sv1\(4\) | Yes |
| Operating System | cisco | nx-os | 4.2\(1\)sv1\(4a\) | Yes |
| Hardware | cisco | nexus_1000v | - | Yes |
| Operating System | cisco | nx-os | 5.0\(2\)n2\(1\) | Yes |
| Operating System | cisco | nx-os | 5.0\(2\)n2\(1a\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n1\(1\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n1\(1a\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n1\(1b\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n1\(1c\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n2\(1\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n2\(2\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n2\(2a\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n2\(2b\) | Yes |
| Operating System | cisco | nx-os | 5.1\(3\)n1\(1\) | Yes |
| Operating System | cisco | nx-os | 5.1\(3\)n1\(1a\) | Yes |
| Hardware | cisco | nexus_5000 | - | Yes |
| Hardware | cisco | nexus_5010 | - | Yes |
| Hardware | cisco | nexus_5020 | - | Yes |
| Hardware | cisco | nexus_5548p | - | Yes |
| Hardware | cisco | nexus_5548up | - | Yes |
| Hardware | cisco | nexus_5596up | - | Yes |
| Operating System | cisco | nx-os | 4.1.\(2\) | Yes |
| Operating System | cisco | nx-os | 4.1.\(3\) | Yes |
| Operating System | cisco | nx-os | 4.1.\(4\) | Yes |
| Operating System | cisco | nx-os | 4.1.\(5\) | Yes |
| Operating System | cisco | nx-os | 4.2\(1\) | Yes |
| Operating System | cisco | nx-os | 4.2\(2\) | Yes |
| Operating System | cisco | nx-os | 4.2\(3\) | Yes |
| Operating System | cisco | nx-os | 4.2\(4\) | Yes |
| Operating System | cisco | nx-os | 4.2\(6\) | Yes |
| Operating System | cisco | nx-os | 4.2.\(2a\) | Yes |
| Operating System | cisco | nx-os | 5.0\(2\) | Yes |
| Operating System | cisco | nx-os | 5.0\(2a\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\) | Yes |
| Operating System | cisco | nx-os | 5.0\(3\)n1\(1\) | Yes |
| Operating System | cisco | nx-os | 5.1\(1a\) | Yes |
| Operating System | cisco | nx-os | 5.1\(2\) | Yes |
| Operating System | cisco | nx-os | 5.1\(3\) | Yes |
| Operating System | cisco | nx-os | 5.1\(4\) | Yes |
| Operating System | cisco | nx-os | 5.1\(5\) | Yes |
| Operating System | cisco | nx-os | 5.1\(6\) | Yes |
| Hardware | cisco | nexus_7000 | - | Yes |
| Hardware | cisco | nexus_7000_10-slot | - | Yes |
| Hardware | cisco | nexus_7000_18-slot | - | Yes |
| Hardware | cisco | nexus_7000_9-slot | - | Yes |