Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%

Cisco — Vulnerabilities & Security Advisories 3192

Browse all 3192 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-2021-34720 Cisco IOS XR Software IP Service Level Agreements and Two-Way Active Measurement Protocol Denial of Service Vulnerability — Cisco IOS XR SoftwareCWE-771 8.6 High2021-09-09
CVE-2021-34719 Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities — Cisco IOS XR SoftwareCWE-78 7.8 High2021-09-09
CVE-2021-34718 Cisco IOS XR Software Arbitrary File Read and Write Vulnerability — Cisco IOS XR SoftwareCWE-88 8.1 High2021-09-09
CVE-2021-34713 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability — Cisco IOS XR SoftwareCWE-399 7.4 High2021-09-09
CVE-2021-34709 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities — Cisco IOS XR SoftwareCWE-347 6.0 Medium2021-09-09
CVE-2021-34708 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities — Cisco IOS XR SoftwareCWE-347 6.0 Medium2021-09-09
CVE-2021-34765 Cisco Nexus Insights Authenticated Information Disclosure Vulnerability — Cisco Nexus InsightsCWE-552 4.3 Medium2021-09-02
CVE-2021-34759 Cisco Identity Services Engine Cross-Site Scripting Vulnerability — Cisco Identity Services Engine SoftwareCWE-79 4.8 Medium2021-09-02
CVE-2021-34746 Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability — Cisco Enterprise NFV Infrastructure SoftwareCWE-289 9.8 Critical2021-09-02
CVE-2021-34733 Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Information Disclosure Vulnerability — Cisco Prime InfrastructureCWE-522 5.5 Medium2021-09-02
CVE-2021-34732 Cisco Prime Collaboration Provisioning Cross-Site Scripting Vulnerability — Cisco Prime Collaboration ProvisioningCWE-79 6.1 Medium2021-09-02
CVE-2021-1592 Cisco UCS Manager Software SSH Sessions Denial of Service Vulnerability — Cisco Unified Computing System (Managed)CWE-664 4.3 Medium2021-08-25
CVE-2021-1591 Cisco Nexus 9500 Series Switches Access Control List Bypass Vulnerability — Cisco NX-OS SoftwareCWE-284 5.8 Medium2021-08-25
CVE-2021-1590 Cisco NX-OS Software system login block-for Denial of Service Vulnerability — Cisco NX-OS SoftwareCWE-787 5.3 Medium2021-08-25
CVE-2021-1588 Cisco NX-OS Software MPLS OAM Denial of Service Vulnerability — Cisco NX-OS SoftwareCWE-126 8.6 High2021-08-25
CVE-2021-1587 Cisco NX-OS Software VXLAN OAM (NGOAM) Denial of Service Vulnerability — Cisco NX-OS SoftwareCWE-115 8.6 High2021-08-25
CVE-2021-1586 Cisco Nexus 9000 Series Fabric Switches ACI Mode Multi-Pod and Multi-Site TCP Denial of Service Vulnerability — Cisco NX-OS System Software in ACI ModeCWE-345 8.6 High2021-08-25
CVE-2021-1584 Cisco Nexus 9000 Series Fabric Switches ACI Mode Privilege Escalation Vulnerability — Cisco NX-OS System Software in ACI ModeCWE-78 6.0 Medium2021-08-25
CVE-2021-1583 Cisco Nexus 9000 Series Fabric Switches ACI Mode Arbitrary File Read Vulnerability — Cisco NX-OS System Software in ACI ModeCWE-284 4.4 Medium2021-08-25
CVE-2021-1582 Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerability — Cisco Application Policy Infrastructure Controller (APIC)CWE-79 5.4 Medium2021-08-25
CVE-2021-1581 Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulnerabilities — Cisco Application Policy Infrastructure Controller (APIC)CWE-284 6.5 Medium2021-08-25
CVE-2021-1580 Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulnerabilities — Cisco Application Policy Infrastructure Controller (APIC)CWE-284 6.5 Medium2021-08-25
CVE-2021-1579 Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability — Cisco Application Policy Infrastructure Controller (APIC)CWE-250 8.1 High2021-08-25
CVE-2021-1578 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability — Cisco Application Policy Infrastructure Controller (APIC)CWE-636 8.8 High2021-08-25
CVE-2021-1577 Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability — Cisco Application Policy Infrastructure Controller (APIC)CWE-284 9.1 Critical2021-08-25
CVE-2021-1523 Cisco Nexus 9000 Series Fabric Switches ACI Mode Queue Wedge Denial of Service Vulnerability — Cisco NX-OS System Software in ACI ModeCWE-772 8.6 High2021-08-25
CVE-2021-34745 AppDynamics .NET Agent Privilege Escalation Vulnerability — AppDynamics .NET Agent for WindowsCWE-269 7.8 High2021-08-18
CVE-2021-34749 Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability — Cisco Web Security Appliance (WSA)CWE-200 5.8 Medium2021-08-18
CVE-2021-34734 Cisco Video Surveillance 7000 Series IP Cameras Link Layer Discovery Protocol Double-Free Denial of Service Vulnerability — Cisco Video Surveillance 7000 Series IP CamerasCWE-415 6.5 Medium2021-08-18
CVE-2021-34730 Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerability — Cisco Small Business RV Series Router FirmwareCWE-121 9.8 Critical2021-08-18

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.