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Cisco NX-OS Software — Vulnerabilities & Security Advisories 89

All 89 CVE vulnerabilities found in Cisco NX-OS Software, with AI-generated Chinese analysis, references, and POCs.

This page documents known vulnerabilities within Cisco NX-OS Software, focusing on weaknesses categorized by common platforms and exposure risks. It serves as a centralized resource for security professionals monitoring the integrity of Cisco’s network operating system used in data centers and service provider environments. The content aggregates various types of security flaws, including command injection, buffer overflows, privilege escalation, and information disclosure issues that could allow unauthorized access or service disruption. The time range covered spans from the earliest reported incidents up to the most recent security advisories issued by Cisco, providing a comprehensive historical view of the product's security posture. Here, users can track a vendor's advisories to stay informed about ongoing threat landscapes and recommended patches. The resource also allows you to understand a weakness class by detailing how specific flaws manifest in network infrastructure contexts. Additionally, you can look up a product's vulnerability history to assess long-term security trends and the effectiveness of mitigations applied over time. This structured approach helps administrators prioritize remediation efforts and maintain compliance with internal security policies. By presenting aggregated data without unnecessary noise, the page facilitates efficient risk management for organizations relying on Cisco NX-OS for their critical network operations.

Vendor: n/a

CVE IDTitleCVSSSeverityPublished
CVE-2026-20171 Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability CWE-670 6.8 Medium2026-05-20
CVE-2026-20010 Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service Vulnerability CWE-805 7.4 High2026-02-25
CVE-2026-20051 Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vulnerability CWE-457 7.4 High2026-02-25
CVE-2025-20241 Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability CWE-733 7.4 High2025-08-27
CVE-2025-20262 Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability CWE-476 5.0 Medium2025-08-27
CVE-2025-20290 Cisco NXOS Software Sensitive Log Information Disclosure Vulnerability CWE-200 5.5 Medium2025-08-27
CVE-2025-20292 Cisco NXOS Software Command Injection Vulnerability CWE-78 4.4 Medium2025-08-27
CVE-2025-20191 Multiple Cisco Products Denial of Service Vulnerability CWE-805 7.4 High2025-05-07
CVE-2025-20161 Cisco NX-OS Software Command Injection Vulnerability CWE-78 5.1 Medium2025-02-26
CVE-2025-20111 Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability CWE-1220 7.4 High2025-02-26
CVE-2024-20397 Cisco NX-OS Software Image Verification Bypass Vulnerability CWE-284 5.2 Medium2024-12-04
CVE-2024-20284 Cisco NX-OS Software Python Parser Escape Vulnerability CWE-693 5.3 Medium2024-08-28
CVE-2024-20285 Cisco NX-OS Software Python Parser Escape Vulnerability CWE-653 5.3 Medium2024-08-28
CVE-2024-20286 Cisco NX-OS Software Python Parser Escape Vulnerability CWE-693 5.3 Medium2024-08-28
CVE-2024-20446 Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability CWE-476 8.6 High2024-08-28
CVE-2024-20289 Cisco NX-OS Software Command Injection Vulnerability CWE-78 4.4 Medium2024-08-28
CVE-2024-20411 Cisco NX-OS Bash Arbitrary Code Execution Vulnerability CWE-267 6.7 Medium2024-08-28
CVE-2024-20413 Cisco NX-OS Bash Privilege Escalation Vulnerability CWE-862 6.7 Medium2024-08-28
CVE-2024-20399 Cisco NX-OS Software CLI Command Injection Vulnerability CWE-78 6.0 Medium2024-07-01
CVE-2024-20294 Cisco NX-OS Software和Cisco FXOS Software安全漏洞 CWE-805 6.6 Medium2024-02-28
CVE-2024-20291 Cisco Nexus 3000 Series Switches 安全漏洞 CWE-284 5.8 Medium2024-02-28
CVE-2024-20267 Cisco NX-OS Software 安全漏洞 CWE-120 8.6 High2024-02-28
CVE-2024-20321 Cisco NX-OS Software 安全漏洞 CWE-400 8.6 High2024-02-28
CVE-2023-20115 Cisco Nexus Series Switches 安全漏洞 CWE-671 5.4 Medium2023-08-23
CVE-2023-20169 Cisco 多款产品输入验证错误漏洞 CWE-788 7.4 High2023-08-23
CVE-2023-20168 Cisco NX-OS Software 输入验证错误漏洞 CWE-120 7.1 High2023-08-23
CVE-2023-20050 Cisco NX-OS Software CLI Command Injection Vulnerability CWE-78 4.4 Medium2023-02-23
CVE-2022-20824 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Denial of Service and Arbitrary Code Execution Vulnerability CWE-121 8.8 High2022-08-25
CVE-2022-20823 Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability CWE-126 8.6 High2022-08-25
CVE-2022-20623 Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vulnerability CWE-399 8.6 High2022-02-23

All 89 known CVE vulnerabilities affecting Cisco NX-OS Software with full Chinese analysis, references, and POCs where available.