A vulnerability in the Internet Group Management Protocol (IGMP) Snooping feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the IGMP Snooping subsystem. An attacker could exploit this vulnerability by sending crafted IGMP packets to an affected system. An exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. This vulnerability affects Nexus 2000 Series Switches, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 3600 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode, Nexus 9000 Series Switches in standalone NX-OS mode. Cisco Bug IDs: CSCuv79620, CSCvg71263.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 72 products from cisco, from cisco, from cisco and 69 others, organizations running these solutions should prioritize assessment and patching.
First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2018-06-20T21:29:00.297
2024-11-21T03:37:54.670
Modified
CVSSv3.0: 8.8 (HIGH)
AV:A/AC:L/Au:N/C:C/I:C/A:C
6.5
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | nx-os | < 7.3\(3\)n1\(1\) | Yes |
| Hardware | cisco | nexus_5000 | - | No |
| Hardware | cisco | nexus_5010 | - | No |
| Hardware | cisco | nexus_5020 | - | No |
| Hardware | cisco | nexus_5548p | - | No |
| Hardware | cisco | nexus_5548up | - | No |
| Hardware | cisco | nexus_5596t | - | No |
| Hardware | cisco | nexus_5596up | - | No |
| Hardware | cisco | nexus_56128p | - | No |
| Hardware | cisco | nexus_5624q | - | No |
| Hardware | cisco | nexus_5648q | - | No |
| Hardware | cisco | nexus_5672up | - | No |
| Hardware | cisco | nexus_5696q | - | No |
| Operating System | cisco | nx-os | < 8.1\(2\) | Yes |
| Hardware | cisco | nexus_7000 | - | No |
| Hardware | cisco | nexus_7700 | - | No |
| Operating System | cisco | nx-os | < 13.1\(1i\) | Yes |
| Hardware | cisco | nexus_92160yc-x | - | No |
| Hardware | cisco | nexus_92304qc | - | No |
| Hardware | cisco | nexus_9236c | - | No |
| Hardware | cisco | nexus_9272q | - | No |
| Hardware | cisco | nexus_93108tc-ex | - | No |
| Hardware | cisco | nexus_93120tx | - | No |
| Hardware | cisco | nexus_93128tx | - | No |
| Hardware | cisco | nexus_93180yc-ex | - | No |
| Hardware | cisco | nexus_9332pq | - | No |
| Hardware | cisco | nexus_9372px | - | No |
| Hardware | cisco | nexus_9372tx | - | No |
| Hardware | cisco | nexus_9396px | - | No |
| Hardware | cisco | nexus_9396tx | - | No |
| Hardware | cisco | nexus_9504 | - | No |
| Hardware | cisco | nexus_9508 | - | No |
| Hardware | cisco | nexus_9516 | - | No |
| Hardware | cisco | nexus_n9k-c9508-fm-r | - | No |
| Hardware | cisco | nexus_n9k-x9636c-r | - | No |
| Hardware | cisco | nexus_n9k-x9636q-r | - | No |
| Operating System | cisco | nx-os | ≤ 7.0\(3\)i4 | Yes |
| Operating System | cisco | nx-os | < 7.0\(3\)i7\(1\) | Yes |
| Hardware | cisco | nexus_172tq-xl | - | No |
| Hardware | cisco | nexus_3016 | - | No |
| Hardware | cisco | nexus_3048 | - | No |
| Hardware | cisco | nexus_3064-32t | - | No |
| Hardware | cisco | nexus_3064-t | - | No |
| Hardware | cisco | nexus_3064-x | - | No |
| Hardware | cisco | nexus_3100-v | - | No |
| Hardware | cisco | nexus_31128pq | - | No |
| Hardware | cisco | nexus_3132c-z | - | No |
| Hardware | cisco | nexus_3132q | - | No |
| Hardware | cisco | nexus_3132q-x | - | No |
| Hardware | cisco | nexus_3132q-xl | - | No |
| Hardware | cisco | nexus_3164q | - | No |
| Hardware | cisco | nexus_3172pq | - | No |
| Hardware | cisco | nexus_3172pq-xl | - | No |
| Hardware | cisco | nexus_3172tq | - | No |
| Hardware | cisco | nexus_3172tq-32t | - | No |
| Hardware | cisco | nexus_3232c | - | No |
| Hardware | cisco | nexus_3264c-e | - | No |
| Hardware | cisco | nexus_3264q | - | No |
| Hardware | cisco | nexus_34180yc | - | No |
| Hardware | cisco | nexus_3524-x | - | No |
| Hardware | cisco | nexus_3524-xl | - | No |
| Hardware | cisco | nexus_3548 | - | No |
| Hardware | cisco | nexus_3548-x | - | No |
| Hardware | cisco | nexus_3548-xl | - | No |
| Hardware | cisco | nexus_3636c-r | - | No |
| Hardware | cisco | nexus_c36180yc-r | - | No |
| Operating System | cisco | nx-os | < 7.3\(3\)n1\(1\) | Yes |
| Hardware | cisco | nexus_2148t | - | No |
| Hardware | cisco | nexus_2224tp_ge | - | No |
| Hardware | cisco | nexus_2232pp_10ge | - | No |
| Hardware | cisco | nexus_2232tm-e_10ge | - | No |
| Hardware | cisco | nexus_2232tm_10ge | - | No |
| Hardware | cisco | nexus_2248pq_10ge | - | No |
| Hardware | cisco | nexus_2248tp-e | - | No |
| Hardware | cisco | nexus_2248tp_ge | - | No |
| Operating System | cisco | nx-os | < 7.3\(3\)n1\(1\) | Yes |
| Hardware | cisco | nexus_6001p | - | No |
| Hardware | cisco | nexus_6001t | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.