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Cisco — Vulnerabilities & Security Advisories 3365

Browse all 3365 CVE security advisories affecting Cisco. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Cisco Systems operates as a global leader in networking hardware, software, and telecommunications services, providing critical infrastructure for enterprise connectivity and cloud security. With over 3,000 recorded CVEs, the company’s attack surface is extensive, reflecting the complexity of its diverse product portfolio. Historically, vulnerabilities frequently involve remote code execution (RCE), cross-site scripting (XSS), and privilege escalation flaws, often stemming from legacy protocols or complex configuration interfaces. Notable incidents include the 2023 supply chain compromise affecting the Cisco AnyConnect Secure Mobility Client, which allowed attackers to bypass authentication mechanisms. These breaches highlight risks associated with widely deployed endpoint security agents. The sheer volume of disclosed issues underscores the challenges inherent in maintaining security across such a vast ecosystem of interconnected devices and software solutions, requiring rigorous patch management and continuous monitoring to mitigate potential exploitation by threat actors targeting critical network infrastructure.

Found 89 results / 3365 Clear Filters
CVE ID Title CVSS Severity Published
CVE-2026-20212 Cisco Nexus 3000 and 9000 Series Switches Silicon One Hardware Abstraction Layer Remote Code Execution Vulnerability — Cisco NX-OS Software CWE-1327 9.8 Critical 2026-09-02
CVE-2026-20171 Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability — Cisco NX-OS Software CWE-670 6.8 Medium 2026-05-20
CVE-2026-20010 Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service Vulnerability — Cisco NX-OS Software CWE-805 7.4 High 2026-02-25
CVE-2026-20051 Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vulnerability — Cisco NX-OS Software CWE-457 7.4 High 2026-02-25
CVE-2025-20241 Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability — Cisco NX-OS Software CWE-733 7.4 High 2025-08-27
CVE-2025-20262 Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability — Cisco NX-OS Software CWE-476 5.0 Medium 2025-08-27
CVE-2025-20290 Cisco NXOS Software Sensitive Log Information Disclosure Vulnerability — Cisco NX-OS Software CWE-200 5.5 Medium 2025-08-27
CVE-2025-20292 Cisco NXOS Software Command Injection Vulnerability — Cisco NX-OS Software CWE-78 4.4 Medium 2025-08-27
CVE-2025-20191 Multiple Cisco Products Denial of Service Vulnerability — Cisco NX-OS Software CWE-805 7.4 High 2025-05-07
CVE-2025-20161 Cisco NX-OS Software Command Injection Vulnerability — Cisco NX-OS Software CWE-78 5.1 Medium 2025-02-26
CVE-2025-20111 Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability — Cisco NX-OS Software CWE-1220 7.4 High 2025-02-26
CVE-2024-20397 Cisco NX-OS Software Image Verification Bypass Vulnerability — Cisco NX-OS Software CWE-284 5.2 Medium 2024-12-04
CVE-2024-20284 Cisco NX-OS Software Python Parser Escape Vulnerability — Cisco NX-OS Software CWE-693 5.3 Medium 2024-08-28
CVE-2024-20285 Cisco NX-OS Software Python Parser Escape Vulnerability — Cisco NX-OS Software CWE-653 5.3 Medium 2024-08-28
CVE-2024-20286 Cisco NX-OS Software Python Parser Escape Vulnerability — Cisco NX-OS Software CWE-693 5.3 Medium 2024-08-28
CVE-2024-20446 Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability — Cisco NX-OS Software CWE-476 8.6 High 2024-08-28
CVE-2024-20289 Cisco NX-OS Software Command Injection Vulnerability — Cisco NX-OS Software CWE-78 4.4 Medium 2024-08-28
CVE-2024-20411 Cisco NX-OS Bash Arbitrary Code Execution Vulnerability — Cisco NX-OS Software CWE-267 6.7 Medium 2024-08-28
CVE-2024-20413 Cisco NX-OS Bash Privilege Escalation Vulnerability — Cisco NX-OS Software CWE-862 6.7 Medium 2024-08-28
CVE-2024-20399 Cisco NX-OS Software CLI Command Injection Vulnerability — Cisco NX-OS Software CWE-78 6.0 Medium 2024-07-01
CVE-2024-20294 Cisco NX-OS Software和Cisco FXOS Software安全漏洞 — Cisco NX-OS Software CWE-805 6.6 Medium 2024-02-28
CVE-2024-20291 Cisco Nexus 3000 Series Switches 安全漏洞 — Cisco NX-OS Software CWE-284 5.8 Medium 2024-02-28
CVE-2024-20267 Cisco NX-OS Software 安全漏洞 — Cisco NX-OS Software CWE-120 8.6 High 2024-02-28
CVE-2024-20321 Cisco NX-OS Software 安全漏洞 — Cisco NX-OS Software CWE-400 8.6 High 2024-02-28
CVE-2023-20115 Cisco Nexus Series Switches 安全漏洞 — Cisco NX-OS Software CWE-671 5.4 Medium 2023-08-23
CVE-2023-20169 Cisco 多款产品输入验证错误漏洞 — Cisco NX-OS Software CWE-788 7.4 High 2023-08-23
CVE-2023-20168 Cisco NX-OS Software 输入验证错误漏洞 — Cisco NX-OS Software CWE-120 7.1 High 2023-08-23
CVE-2023-20050 Cisco NX-OS Software CLI Command Injection Vulnerability — Cisco NX-OS Software CWE-78 4.4 Medium 2023-02-23
CVE-2022-20824 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Denial of Service and Arbitrary Code Execution Vulnerability — Cisco NX-OS Software CWE-121 8.8 High 2022-08-25
CVE-2022-20823 Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability — Cisco NX-OS Software CWE-126 8.6 High 2022-08-25

This page lists every published CVE security advisory associated with Cisco. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.