A vulnerability with the Border Gateway Protocol (BGP) for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, remote attacker to cause a routing process to crash, which could lead to a denial of service (DoS) condition. This vulnerability is due to an issue with the installation of routes upon receipt of a BGP update. An attacker could exploit this vulnerability by sending a crafted BGP update to an affected device. A successful exploit could allow the attacker to cause the routing process to crash, which could cause the device to reload. This vulnerability applies to both Internal BGP (IBGP) and External BGP (EBGP). Note: The Cisco implementation of BGP accepts incoming BGP traffic from explicitly configured peers only. To exploit this vulnerability, an attacker would need to send a specific BGP update message over an established TCP connection that appears to come from a trusted BGP peer.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.6, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 41 products from cisco, from cisco, from cisco and 38 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2021-02-24T20:15:12.817
2024-11-21T05:43:53.000
Modified
CVSSv3.1: 8.6 (HIGH)
AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | nx-os | 12.0\(1m\) | Yes |
| Operating System | cisco | nx-os | 12.0\(1n\) | Yes |
| Operating System | cisco | nx-os | 12.0\(1o\) | Yes |
| Operating System | cisco | nx-os | 12.0\(1p\) | Yes |
| Operating System | cisco | nx-os | 12.0\(1q\) | Yes |
| Operating System | cisco | nx-os | 12.0\(1r\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2f\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2g\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2h\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2l\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2m\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2n\) | Yes |
| Operating System | cisco | nx-os | 12.0\(2o\) | Yes |
| Operating System | cisco | nx-os | 12.1\(1h\) | Yes |
| Operating System | cisco | nx-os | 12.1\(1i\) | Yes |
| Operating System | cisco | nx-os | 12.1\(2e\) | Yes |
| Operating System | cisco | nx-os | 12.1\(2g\) | Yes |
| Operating System | cisco | nx-os | 12.1\(2k\) | Yes |
| Operating System | cisco | nx-os | 12.1\(3g\) | Yes |
| Operating System | cisco | nx-os | 12.1\(3h\) | Yes |
| Operating System | cisco | nx-os | 12.1\(3j\) | Yes |
| Operating System | cisco | nx-os | 12.1\(4a\) | Yes |
| Operating System | cisco | nx-os | 12.2\(1k\) | Yes |
| Operating System | cisco | nx-os | 12.2\(1n\) | Yes |
| Operating System | cisco | nx-os | 12.2\(1o\) | Yes |
| Operating System | cisco | nx-os | 12.2\(2e\) | Yes |
| Operating System | cisco | nx-os | 12.2\(2f\) | Yes |
| Operating System | cisco | nx-os | 12.2\(2i\) | Yes |
| Operating System | cisco | nx-os | 12.2\(2j\) | Yes |
| Operating System | cisco | nx-os | 12.2\(2k\) | Yes |
| Operating System | cisco | nx-os | 12.2\(2q\) | Yes |
| Operating System | cisco | nx-os | 12.2\(3j\) | Yes |
| Operating System | cisco | nx-os | 12.2\(3p\) | Yes |
| Operating System | cisco | nx-os | 12.2\(3r\) | Yes |
| Operating System | cisco | nx-os | 12.2\(3s\) | Yes |
| Operating System | cisco | nx-os | 12.2\(3t\) | Yes |
| Operating System | cisco | nx-os | 12.2\(4f\) | Yes |
| Operating System | cisco | nx-os | 12.2\(4p\) | Yes |
| Operating System | cisco | nx-os | 12.2\(4q\) | Yes |
| Operating System | cisco | nx-os | 12.2\(4r\) | Yes |
| Operating System | cisco | nx-os | 12.3\(1e\) | Yes |
| Operating System | cisco | nx-os | 12.3\(1f\) | Yes |
| Operating System | cisco | nx-os | 12.3\(1i\) | Yes |
| Operating System | cisco | nx-os | 12.3\(1l\) | Yes |
| Operating System | cisco | nx-os | 12.3\(1o\) | Yes |
| Operating System | cisco | nx-os | 12.3\(1p\) | Yes |
| Operating System | cisco | nx-os | 13.0\(1k\) | Yes |
| Operating System | cisco | nx-os | 13.0\(2h\) | Yes |
| Operating System | cisco | nx-os | 13.0\(2k\) | Yes |
| Operating System | cisco | nx-os | 13.0\(2n\) | Yes |
| Operating System | cisco | nx-os | 13.1\(1i\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2m\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2o\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2p\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2q\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2s\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2t\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2u\) | Yes |
| Operating System | cisco | nx-os | 13.1\(2v\) | Yes |
| Operating System | cisco | nx-os | 13.2\(1l\) | Yes |
| Operating System | cisco | nx-os | 13.2\(1m\) | Yes |
| Operating System | cisco | nx-os | 13.2\(2l\) | Yes |
| Operating System | cisco | nx-os | 13.2\(2o\) | Yes |
| Operating System | cisco | nx-os | 13.2\(3i\) | Yes |
| Operating System | cisco | nx-os | 13.2\(3j\) | Yes |
| Operating System | cisco | nx-os | 13.2\(3n\) | Yes |
| Operating System | cisco | nx-os | 13.2\(3o\) | Yes |
| Operating System | cisco | nx-os | 13.2\(3r\) | Yes |
| Operating System | cisco | nx-os | 13.2\(3s\) | Yes |
| Operating System | cisco | nx-os | 13.2\(4d\) | Yes |
| Operating System | cisco | nx-os | 13.2\(4e\) | Yes |
| Operating System | cisco | nx-os | 13.2\(5d\) | Yes |
| Operating System | cisco | nx-os | 13.2\(5e\) | Yes |
| Operating System | cisco | nx-os | 13.2\(5f\) | Yes |
| Operating System | cisco | nx-os | 13.2\(6i\) | Yes |
| Operating System | cisco | nx-os | 13.2\(7f\) | Yes |
| Operating System | cisco | nx-os | 13.2\(7k\) | Yes |
| Operating System | cisco | nx-os | 13.2\(8d\) | Yes |
| Operating System | cisco | nx-os | 13.2\(9b\) | Yes |
| Operating System | cisco | nx-os | 13.2\(9f\) | Yes |
| Operating System | cisco | nx-os | 13.2\(9h\) | Yes |
| Operating System | cisco | nx-os | 13.2\(41d\) | Yes |
| Operating System | cisco | nx-os | 14.0\(1h\) | Yes |
| Operating System | cisco | nx-os | 14.0\(2c\) | Yes |
| Operating System | cisco | nx-os | 14.0\(3c\) | Yes |
| Operating System | cisco | nx-os | 14.0\(3d\) | Yes |
| Operating System | cisco | nx-os | 14.1\(1i\) | Yes |
| Operating System | cisco | nx-os | 14.1\(1j\) | Yes |
| Operating System | cisco | nx-os | 14.1\(1k\) | Yes |
| Operating System | cisco | nx-os | 14.1\(1l\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2g\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2m\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2o\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2s\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2u\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2w\) | Yes |
| Operating System | cisco | nx-os | 14.1\(2x\) | Yes |
| Operating System | cisco | nx-os | 14.2\(1i\) | Yes |
| Operating System | cisco | nx-os | 14.2\(1j\) | Yes |
| Operating System | cisco | nx-os | 14.2\(1l\) | Yes |
| Operating System | cisco | nx-os | 14.2\(2e\) | Yes |
| Operating System | cisco | nx-os | 14.2\(2f\) | Yes |
| Operating System | cisco | nx-os | 14.2\(2g\) | Yes |
| Hardware | cisco | nexus_9000v | - | No |
| Hardware | cisco | nexus_92160yc-x | - | No |
| Hardware | cisco | nexus_92300yc | - | No |
| Hardware | cisco | nexus_92304qc | - | No |
| Hardware | cisco | nexus_92348gc-x | - | No |
| Hardware | cisco | nexus_9236c | - | No |
| Hardware | cisco | nexus_9272q | - | No |
| Hardware | cisco | nexus_93108tc-ex | - | No |
| Hardware | cisco | nexus_93108tc-ex-24 | - | No |
| Hardware | cisco | nexus_93108tc-fx | - | No |
| Hardware | cisco | nexus_93108tc-fx-24 | - | No |
| Hardware | cisco | nexus_93120tx | - | No |
| Hardware | cisco | nexus_93128tx | - | No |
| Hardware | cisco | nexus_9316d-gx | - | No |
| Hardware | cisco | nexus_93180lc-ex | - | No |
| Hardware | cisco | nexus_93180yc-ex | - | No |
| Hardware | cisco | nexus_93180yc-ex-24 | - | No |
| Hardware | cisco | nexus_93180yc-fx | - | No |
| Hardware | cisco | nexus_93180yc-fx-24 | - | No |
| Hardware | cisco | nexus_93180yc-fx3 | - | No |
| Hardware | cisco | nexus_93180yc-fx3s | - | No |
| Hardware | cisco | nexus_93216tc-fx2 | - | No |
| Hardware | cisco | nexus_93240yc-fx2 | - | No |
| Hardware | cisco | nexus_9332c | - | No |
| Hardware | cisco | nexus_9332pq | - | No |
| Hardware | cisco | nexus_93360yc-fx2 | - | No |
| Hardware | cisco | nexus_9336c-fx2 | - | No |
| Hardware | cisco | nexus_9336c-fx2-e | - | No |
| Hardware | cisco | nexus_9336pq_aci_spine | - | No |
| Hardware | cisco | nexus_9348gc-fxp | - | No |
| Hardware | cisco | nexus_93600cd-gx | - | No |
| Hardware | cisco | nexus_9364c | - | No |
| Hardware | cisco | nexus_9364c-gx | - | No |
| Hardware | cisco | nexus_9372px | - | No |
| Hardware | cisco | nexus_9372px-e | - | No |
| Hardware | cisco | nexus_9372tx | - | No |
| Hardware | cisco | nexus_9372tx-e | - | No |
| Hardware | cisco | nexus_9396px | - | No |
| Hardware | cisco | nexus_9396tx | - | No |
| Hardware | cisco | nexus_9508 | - | 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.