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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.

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Top products by Cisco: Cisco Small Business RV Series Router Firmware Cisco IOS XE Software Cisco Adaptive Security Appliance (ASA) Software Cisco Identity Services Engine Software Cisco Firepower Management Center Cisco IOS XR Software Cisco Firepower Threat Defense Software Cisco NX-OS Software Cisco Data Center Network Manager Cisco SD-WAN vManage Cisco SD-WAN Solution Cisco Webex Meetings Cisco Unified Communications Manager Cisco Prime Infrastructure IOS Cisco Enterprise NFV Infrastructure Software Cisco IOS Cisco Catalyst SD-WAN Manager Cisco WebEx WRF Player Cisco Digital Network Architecture Center (DNA Center) Cisco Email Security Appliance (ESA) Cisco Unified Contact Center Express Cisco Aironet Access Point Software Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Cisco Unified Computing System (Managed) Cisco Application Policy Infrastructure Controller (APIC) Cisco Unity Connection Cisco Wireless LAN Controller (WLC) Cisco Web Security Appliance (WSA) Cisco AnyConnect Secure Mobility Client
CVE IDTitleCVSSSeverityPublished
CVE-2022-20946 Cisco Firepower Threat Defense 缓冲区错误漏洞 — Cisco Firepower Threat Defense SoftwareCWE-122 8.6 High2022-11-10
CVE-2022-20729 Cisco Firepower Threat Defense Software XML Injection Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-91 4.4 Medium2022-05-03
CVE-2022-20730 Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-241 4.0 Medium2022-05-03
CVE-2022-20767 Cisco Firepower Threat Defense Software DNS Enforcement Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-399 8.6 High2022-05-03
CVE-2022-20757 Cisco Firepower Threat Defense Software Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-770 8.6 High2022-05-03
CVE-2022-20751 Cisco Firepower Threat Defense Software Snort Out of Memory Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-770 8.6 High2022-05-03
CVE-2022-20748 Cisco Firepower Threat Defense Software Local Malware Analysis Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-664 5.3 Medium2022-05-03
CVE-2022-20746 Cisco Firepower Threat Defense Software TCP Proxy Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-476 8.6 High2022-05-03
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-2021-34761 Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-73 4.4 Medium2021-10-27
CVE-2021-34756 Cisco Firepower Threat Defense Software Command Injection Vulnerabilities — Cisco Firepower Threat Defense SoftwareCWE-20 6.7 Medium2021-10-27
CVE-2021-34755 Cisco Firepower Threat Defense Software Command Injection Vulnerabilities — Cisco Firepower Threat Defense SoftwareCWE-20 6.7 Medium2021-10-27
CVE-2021-34754 Cisco Firepower Threat Defense Software Ethernet Industrial Protocol Policy Bypass Vulnerabilities — Cisco Firepower Threat Defense SoftwareCWE-284 5.8 Medium2021-10-27
CVE-2021-1518 Cisco Firepower Device Manager On-Box Software Remote Code Execution Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-94 6.3 Medium2021-07-22
CVE-2021-1495 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability — Cisco Firepower Threat Defense Software 5.8 Medium2021-04-29
CVE-2021-1489 Cisco Firepower Device Manager Software Filesystem Space Exhaustion Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-400 6.5 -2021-04-29
CVE-2021-1448 Cisco Firepower Threat Defense Software Command Injection Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-20 7.8 -2021-04-29
CVE-2021-1369 Cisco Firepower Device Manager On-Box Software XML External Entity Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-611 5.4 Medium2021-04-29
CVE-2021-1256 Cisco Firepower Threat Defense Software Command File Overwrite Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-552 6.0 Medium2021-04-29
CVE-2021-1402 Cisco Firepower Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-119 8.6 -2021-04-29
CVE-2021-1236 Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-670 5.3 -2021-01-13
CVE-2021-1224 Multiple Cisco Products Snort TCP Fast Open File Policy Bypass Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-693 5.8 Medium2021-01-13
CVE-2021-1223 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-693 5.3 -2021-01-13
CVE-2020-3562 Cisco Firepower 2100 Series SSL/TLS Inspection Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-119 8.6 -2020-10-21
CVE-2020-3563 Cisco Firepower Threat Defense Software TCP Flood Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-400 8.6 -2020-10-21
CVE-2020-3565 Cisco Firepower Threat Defense Software TCP Intercept Bypass Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-284 5.8 Medium2020-10-21
CVE-2020-3571 Cisco Firepower 4110 ICMP Flood Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-400 8.6 -2020-10-21
CVE-2020-3577 Cisco Firepower Threat Defense Software Inline Pair/Passive Mode Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-20 7.4 -2020-10-21
CVE-2020-3317 Cisco Firepower Threat Defense Software SSL Input Validation Denial of Service Vulnerability — Cisco Firepower Threat Defense SoftwareCWE-20 7.5 -2020-10-21

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.