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Cisco IOS — Vulnerabilities & Security Advisories 51

All 51 CVE vulnerabilities found in Cisco IOS, with AI-generated Chinese analysis, references, and POCs.

This page documents known software weaknesses within the Cisco IOS operating system, categorized by their associated vulnerability types and security tags. It aggregates data on various flaws affecting network infrastructure, covering security issues reported from 2010 through 2024 to provide a comprehensive historical context for system administrators and security analysts. By reviewing this content, you can track vendor advisories related to Cisco’s flagship networking software, gain a deeper understanding of specific weakness classes such as buffer overflows, authentication bypasses, or cross-site scripting, and examine the complete vulnerability history of the product to assess long-term risk exposure. The information is organized to help users identify patterns in defect emergence, correlate issues with specific software versions, and prioritize remediation efforts based on severity and exploitability. This resource serves as a centralized reference for evaluating the security posture of Cisco IOS deployments without requiring direct access to internal vendor databases. It is designed to support both proactive defense strategies and incident response activities by providing clear, structured data on past and present security gaps. Users can utilize these insights to inform patch management schedules, configure mitigation controls, and verify compliance with security best practices. The content strictly adheres to objective reporting standards, ensuring accuracy and utility for technical professionals managing large-scale network environments.

Vendor: n/a

CVE IDTitleCVSSSeverityPublished
CVE-2020-3477 Cisco IOS and IOS XE Software Information Disclosure Vulnerability CWE-20 5.5 -2020-09-24
CVE-2020-3511 Cisco IOS and IOS XE Software ISDN Q.931 Denial of Service Vulnerability CWE-20 6.5 -2020-09-24
CVE-2020-3512 Cisco IOS and IOS XE Software PROFINET Link Layer Discovery Protocol Denial of Service Vulnerability CWE-388 6.5 -2020-09-24
CVE-2019-12647 Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability CWE-476 7.5 -2019-09-25
CVE-2018-0484 Cisco IOS and IOS XE Software Secure Shell Connection on VRF Vulnerability CWE-284 6.5 -2019-01-10
CVE-2018-0282 Cisco IOS and IOS XE Software TCP Denial of Service Vulnerability CWE-371 6.8 -2019-01-10
CVE-2018-0179 Cisco IOS Software 资源管理错误漏洞 CWE-399 5.9 -2018-03-28
CVE-2018-0154 Cisco IOS Software Integrated Services Module for VPN crypto引擎资源管理错误漏洞 CWE-399 7.5 -2018-03-28
CVE-2018-0161 多款Cisco产品Cisco IOS Software Simple Network Management Protocol子系统资源管理错误漏洞 CWE-399 6.3 -2018-03-28
CVE-2018-0163 Cisco IOS Software 授权问题漏洞 CWE-287 6.5 -2018-03-28
CVE-2018-0180 Cisco IOS Software 资源管理错误漏洞 CWE-399 5.9 -2018-03-28
CVE-2018-0088 Cisco Industrial Ethernet 4010 Series Switches Cisco IOS Software 安全漏洞 CWE-399 6.7 -2018-01-18
CVE-2017-12238 Cisco Catalyst 6800 Series Switches 资源管理错误漏洞 CWE-399 6.5 -2017-09-28
CVE-2017-12235 Cisco IOS 输入验证漏洞 CWE-20 7.5 -2017-09-28
CVE-2017-12234 Cisco IOS 输入验证漏洞 CWE-20 7.5 -2017-09-28
CVE-2017-12233 Cisco IOS 输入验证漏洞 CWE-20 7.5 -2017-09-28
CVE-2017-12232 Cisco Integrated Services Routers Generation 2 (ISR G2) Routers IOS 资源管理错误漏洞 CWE-399 7.4 -2017-09-28
CVE-2017-12231 Cisco IOS 资源管理错误漏洞 CWE-399 7.5 -2017-09-28
CVE-2017-3803 Cisco Catalyst 2960X和3750X Switches 安全漏洞 4.7 -2017-01-26
CVE-2016-6473 Cisco IOS Frame Forwarding 拒绝服务漏洞 6.5 -2016-12-14
CVE-2016-6474 Cisco IOS和IOS XE Software 身份验证绕过漏洞 7.7 -2016-12-14

All 51 known CVE vulnerabilities affecting Cisco IOS with full Chinese analysis, references, and POCs where available.