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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-2022-20623 Cisco Nexus 9000 Series Switches Bidirectional Forwarding Detection Denial of Service Vulnerability — Cisco NX-OS Software CWE-399 8.6 High 2022-02-23
CVE-2022-20624 Cisco NX-OS Software Cisco Fabric Services Over IP Denial of Service Vulnerability — Cisco NX-OS Software CWE-400 8.6 High 2022-02-23
CVE-2022-20625 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Service Denial of Service Vulnerability — Cisco NX-OS Software CWE-399 4.3 Medium 2022-02-23
CVE-2022-20650 Cisco NX-OS Software NX-API Command Injection Vulnerability — Cisco NX-OS Software CWE-78 8.8 High 2022-02-23
CVE-2021-1591 Cisco Nexus 9500 Series Switches Access Control List Bypass Vulnerability — Cisco NX-OS Software CWE-284 5.8 Medium 2021-08-25
CVE-2021-1590 Cisco NX-OS Software system login block-for Denial of Service Vulnerability — Cisco NX-OS Software CWE-787 5.3 Medium 2021-08-25
CVE-2021-1588 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability — Cisco NX-OS Software CWE-126 8.6 High 2021-08-25
CVE-2021-1587 Cisco NX-OS Software VXLAN OAM (NGOAM) Denial of Service Vulnerability — Cisco NX-OS Software CWE-115 8.6 High 2021-08-25
CVE-2021-1387 Cisco NX-OS Software IPv6 Netstack Denial of Service Vulnerability — Cisco NX-OS Software CWE-401 8.6 High 2021-02-24
CVE-2021-1368 Cisco FXOS and NX-OS Software Unidirectional Link Detection Denial of Service and Arbitrary Code Execution Vulnerability — Cisco NX-OS Software CWE-787 8.8 High 2021-02-24
CVE-2021-1367 Cisco NX-OS Software Protocol Independent Multicast Denial of Service Vulnerability — Cisco NX-OS Software CWE-20 4.3 Medium 2021-02-24
CVE-2021-1361 Cisco NX-OS Software Unauthenticated Arbitrary File Actions Vulnerability — Cisco NX-OS Software CWE-552 9.8 Critical 2021-02-24
CVE-2021-1229 Cisco NX-OS Software ICMP Version 6 Memory Leak Denial of Service Vulnerability — Cisco NX-OS Software CWE-401 5.8 Medium 2021-02-24
CVE-2021-1227 Cisco NX-OS Software NX-API Cross-Site Request Forgery Vulnerability — Cisco NX-OS Software CWE-352 8.1 - 2021-02-24
CVE-2020-3517 Cisco FXOS and NX-OS Software Cisco Fabric Services Denial of Service Vulnerability — Cisco NX-OS Software CWE-476 8.6 - 2020-08-27
CVE-2020-3394 Cisco Nexus 3000 and 9000 Series Switches Privilege Escalation Vulnerability — Cisco NX-OS Software CWE-285 7.8 - 2020-08-27
CVE-2020-3397 Cisco NX-OS Software Border Gateway Protocol Multicast VPN Denial of Service Vulnerability — Cisco NX-OS Software CWE-20 8.6 - 2020-08-27
CVE-2020-3398 Cisco NX-OS Software Border Gateway Protocol Multicast VPN Session Denial of Service Vulnerability — Cisco NX-OS Software CWE-20 5.8 - 2020-08-27
CVE-2020-3415 Cisco NX-OS Software Data Management Engine Remote Code Execution Vulnerability — Cisco NX-OS Software CWE-787 8.8 - 2020-08-27
CVE-2020-3168 Cisco Nexus 1000V Switch for VMware vSphere Secure Login Enhancements Denial of Service Vulnerability — Cisco NX-OS Software CWE-399 5.8 - 2020-02-26
CVE-2020-3165 Cisco NX-OS Software Border Gateway Protocol MD5 Authentication Bypass Vulnerability — Cisco NX-OS Software CWE-798 7.5 - 2020-02-26
CVE-2019-1734 Cisco FXOS and NX-OS Software Sensitive File Read Information Disclosure Vulnerability — Cisco NX-OS Software CWE-200 5.5 - 2019-11-05
CVE-2019-1969 Cisco NX-OS Software SNMP Access Control List Configuration Name Bypass Vulnerability — Cisco NX-OS Software CWE-264 5.3 - 2019-08-29
CVE-2019-1967 Cisco NX-OS Software Network Time Protocol Denial of Service Vulnerability — Cisco NX-OS Software CWE-399 7.5 - 2019-08-29
CVE-2019-1965 Cisco NX-OS Software Remote Management Memory Leak Denial of Service Vulnerability — Cisco NX-OS Software CWE-400 6.5 - 2019-08-28
CVE-2019-1780 Cisco FXOS and NX-OS Software Command Injection Vulnerability — Cisco NX-OS Software CWE-77 6.7 - 2019-05-16
CVE-2019-1768 Cisco NX-OS Software Buffer Overflow and Command Injection Vulnerability — Cisco NX-OS Software CWE-119 6.7 - 2019-05-16
CVE-2019-1811 Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities — Cisco NX-OS Software CWE-347 6.7 - 2019-05-15
CVE-2019-1812 Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities — Cisco NX-OS Software CWE-347 6.7 - 2019-05-15
CVE-2019-1813 Cisco NX-OS CLI Command Software Image Signature Verification Vulnerability — Cisco NX-OS Software CWE-347 6.7 - 2019-05-15

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.