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Cisco — Vulnerabilities & Security Advisories 3188

Browse all 3188 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.

CVE IDTitleCVSSSeverityPublished
CVE-2022-20640 Cisco Security Manager Cross-Site Scripting Vulnerabilities — Cisco Security ManagerCWE-79 6.1 Medium2022-01-14
CVE-2021-1573 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerability — Cisco Adaptive Security Appliance SoftwareCWE-121 8.6 High2022-01-11
CVE-2021-34704 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerability — Cisco Adaptive Security Appliance SoftwareCWE-121 8.6 High2022-01-11
CVE-2021-40131 Cisco Common Services Platform Collector Stored Cross-Site Scripting Vulnerability — Cisco Common Services Platform Collector SoftwareCWE-87 5.5 Medium2021-11-18
CVE-2021-40130 Cisco Common Services Platform Collector Improper Logging Restriction Vulnerability — Cisco Common Services Platform Collector SoftwareCWE-284 4.9 Medium2021-11-18
CVE-2021-40129 Cisco Common Services Platform Collector SQL Injection Vulnerability — Cisco Common Services Platform Collector SoftwareCWE-89 4.9 Medium2021-11-18
CVE-2021-1500 Cisco Webex Video Mesh Arbitrary Site Redirection Vulnerability — Cisco Webex Video MeshCWE-601 5.4 Medium2021-11-04
CVE-2021-34701 Cisco Unified Communications Products Path Traversal Vulnerability — Cisco Unity ConnectionCWE-22 4.3 Medium2021-11-04
CVE-2021-34731 Cisco Prime Access Registrar Stored Cross-Site Scripting Vulnerability — Cisco Prime Access RegistrarCWE-79 4.8 Medium2021-11-04
CVE-2021-34739 Cisco Small Business Series Switches Session Credentials Replay Vulnerability — Cisco Small Business Smart and Managed SwitchesCWE-613 8.1 High2021-11-04
CVE-2021-34741 Cisco Email Security Appliance Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-770 7.5 High2021-11-04
CVE-2021-34784 Cisco Prime Infrastructure and Evolved Programmable Network Manager Stored Cross-Site Scripting Vulnerability — Cisco Prime InfrastructureCWE-79 5.4 Medium2021-11-04
CVE-2021-40126 Cisco Umbrella Email Enumeration Vulnerability — Cisco Umbrella Insights Virtual ApplianceCWE-210 4.3 Medium2021-11-04
CVE-2021-40124 Cisco AnyConnect Secure Mobility Client for Windows with Network Access Manager Module Privilege Escalation Vulnerability — Cisco AnyConnect Secure Mobility ClientCWE-266 6.7 Medium2021-11-04
CVE-2021-40120 Cisco Small Business RV Series Routers Command Injection Vulnerability — Cisco Small Business RV Series Router FirmwareCWE-20 6.5 Medium2021-11-04
CVE-2021-40119 Cisco Policy Suite Static SSH Keys Vulnerability — Cisco Policy Suite (CPS) SoftwareCWE-321 9.8 Critical2021-11-04
CVE-2021-40115 Cisco Webex Video Mesh Cross-Site Scripting Vulnerability — Cisco Webex Video MeshCWE-79 6.1 Medium2021-11-04
CVE-2021-40113 Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities — Cisco Catalyst PON SeriesCWE-284 10.0 Critical2021-11-04
CVE-2021-40112 Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities — Cisco Catalyst PON SeriesCWE-284 10.0 Critical2021-11-04
CVE-2021-34795 Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities — Cisco Catalyst PON SeriesCWE-284 10.0 Critical2021-11-04
CVE-2021-34774 Cisco Common Services Platform Collector Information Disclosure Vulnerability — Cisco Common Services Platform Collector SoftwareCWE-200 4.9 Medium2021-11-04
CVE-2021-34773 Cisco Unified Communications Products Cross-Site Request Forgery Vulnerability — Cisco Unified Communications ManagerCWE-352 6.5 Medium2021-11-04
CVE-2021-40128 Cisco Webex Meetings Email Content Injection Vulnerability — Cisco Webex MeetingsCWE-183 5.3 Medium2021-11-04
CVE-2021-40127 Cisco Small Business 200, 300, and 500 Series Switches Web-Based Management Interface Denial of Service Vulnerability — Cisco Small Business Smart and Managed SwitchesCWE-20 5.3 Medium2021-11-04
CVE-2021-40118 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerabilities — Cisco Adaptive Security Appliance (ASA) SoftwareCWE-121 8.6 High2021-10-27
CVE-2021-40117 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SSL/TLS Denial of Service Vulnerability — Cisco Adaptive Security Appliance (ASA) SoftwareCWE-119 8.6 High2021-10-27
CVE-2021-40116 Multiple Cisco Products Snort Rule Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-241 8.6 High2021-10-27
CVE-2021-40114 Multiple Cisco Products Snort Memory Leak Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-770 6.8 Medium2021-10-27
CVE-2021-34794 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software SNMP Access Control Vulnerability — Cisco Adaptive Security Appliance (ASA) SoftwareCWE-284 5.3 Medium2021-10-27
CVE-2021-34793 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Transparent Mode Denial of Service Vulnerability — Cisco Adaptive Security Appliance (ASA) SoftwareCWE-924 8.6 High2021-10-27

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.