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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.

CVE ID Title CVSS Severity Published
CVE-2021-34759 Cisco Identity Services Engine Cross-Site Scripting Vulnerability — Cisco Identity Services Engine Software CWE-79 4.8 Medium 2021-09-02
CVE-2021-34746 Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability — Cisco Enterprise NFV Infrastructure Software CWE-289 9.8 Critical 2021-09-02
CVE-2021-34733 Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Information Disclosure Vulnerability — Cisco Prime Infrastructure CWE-522 5.5 Medium 2021-09-02
CVE-2021-34732 Cisco Prime Collaboration Provisioning Cross-Site Scripting Vulnerability — Cisco Prime Collaboration Provisioning CWE-79 6.1 Medium 2021-09-02
CVE-2021-1592 Cisco UCS Manager Software SSH Sessions Denial of Service Vulnerability — Cisco Unified Computing System (Managed) CWE-664 4.3 Medium 2021-08-25
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-2021-1586 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 Mode CWE-345 8.6 High 2021-08-25
CVE-2021-1584 Cisco Nexus 9000 Series Fabric Switches ACI Mode Privilege Escalation Vulnerability — Cisco NX-OS System Software in ACI Mode CWE-78 6.0 Medium 2021-08-25
CVE-2021-1583 Cisco Nexus 9000 Series Fabric Switches ACI Mode Arbitrary File Read Vulnerability — Cisco NX-OS System Software in ACI Mode CWE-284 4.4 Medium 2021-08-25
CVE-2021-1582 Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerability — Cisco Application Policy Infrastructure Controller (APIC) CWE-79 5.4 Medium 2021-08-25
CVE-2021-1581 Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulnerabilities — Cisco Application Policy Infrastructure Controller (APIC) CWE-284 6.5 Medium 2021-08-25
CVE-2021-1580 Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulnerabilities — Cisco Application Policy Infrastructure Controller (APIC) CWE-284 6.5 Medium 2021-08-25
CVE-2021-1579 Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability — Cisco Application Policy Infrastructure Controller (APIC) CWE-250 8.1 High 2021-08-25
CVE-2021-1578 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability — Cisco Application Policy Infrastructure Controller (APIC) CWE-636 8.8 High 2021-08-25
CVE-2021-1577 Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability — Cisco Application Policy Infrastructure Controller (APIC) CWE-284 9.1 Critical 2021-08-25
CVE-2021-1523 Cisco Nexus 9000 Series Fabric Switches ACI Mode Queue Wedge Denial of Service Vulnerability — Cisco NX-OS System Software in ACI Mode CWE-772 8.6 High 2021-08-25
CVE-2021-34745 AppDynamics .NET Agent Privilege Escalation Vulnerability — AppDynamics .NET Agent for Windows CWE-269 7.8 High 2021-08-18
CVE-2021-34749 Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability — Cisco Web Security Appliance (WSA) CWE-200 5.8 Medium 2021-08-18
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 Cameras CWE-415 6.5 Medium 2021-08-18
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 Firmware CWE-121 9.8 Critical 2021-08-18
CVE-2021-34716 Cisco Expressway Series and TelePresence Video Communication Server Remote Code Execution Vulnerability — Cisco TelePresence Video Communication Server (VCS) Expressway CWE-460 6.7 Medium 2021-08-18
CVE-2021-34715 Cisco Expressway Series and TelePresence Video Communication Server Image Verification Vulnerability — Cisco TelePresence Video Communication Server (VCS) Expressway CWE-347 4.7 Medium 2021-08-18
CVE-2021-1561 Cisco Secure Email and Web Manager Spam Quarantine Unauthorized Access Vulnerability — Cisco Content Security Management Appliance (SMA) CWE-302 5.4 Medium 2021-08-18
CVE-2021-34707 Cisco Evolved Programmable Network Manager Sensitive Information Disclosure Vulnerability — Cisco Evolved Programmable Network Manager (EPNM) CWE-200 6.5 Medium 2021-08-04
CVE-2021-1610 Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Web Management Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 9.8 Critical 2021-08-04
CVE-2021-1609 Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Web Management Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 9.8 Critical 2021-08-04
CVE-2021-1602 Cisco Small Business RV160 and RV260 Series VPN Routers Remote Command Execution Vulnerability — Cisco Small Business RV Series Router Firmware CWE-78 8.2 High 2021-08-04

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.