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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.

Found 222 results / 3365 Clear Filters
CVE ID Title CVSS Severity Published
CVE-2026-20311 Cisco IOS XE Software Web UI Denial of Service Vulnerability — Cisco IOS XE Software CWE-126 6.3 Medium 2026-08-05
CVE-2026-20301 Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability — Cisco IOS XE Software CWE-606 8.6 High 2026-08-05
CVE-2026-20308 Cisco IOS XE Software Web-Based Management Interface Vulnerability — Cisco IOS XE Software CWE-269 4.3 Medium 2026-08-05
CVE-2026-20273 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-20 8.6 High 2026-08-05
CVE-2026-20272 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-74 9.8 Critical 2026-08-05
CVE-2026-20271 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-691 8.6 High 2026-08-05
CVE-2026-20270 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-682 8.6 High 2026-08-05
CVE-2026-20269 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-664 8.6 High 2026-08-05
CVE-2026-20268 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-119 8.6 High 2026-08-05
CVE-2026-20267 Cisco IOS XE Software Security Hardening Release — Cisco IOS XE Software CWE-284 9.0 Critical 2026-08-05
CVE-2026-20263 Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability — Cisco IOS XE Software CWE-388 8.6 High 2026-08-05
CVE-2026-20124 Cisco IOS XE Software SNMP Denial of Service Vulnerability — Cisco IOS XE Software CWE-772 7.7 High 2026-08-05
CVE-2026-20112 Cisco IOS XE Software 跨站脚本漏洞 — Cisco IOS XE Software CWE-79 4.8 Medium 2026-03-25
CVE-2026-20113 Cisco IOS XE Software 注入漏洞 — Cisco IOS XE Software CWE-93 5.3 Medium 2026-03-25
CVE-2026-20114 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-1286 5.4 Medium 2026-03-25
CVE-2026-20115 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-319 6.1 Medium 2026-03-25
CVE-2026-20083 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-235 6.5 Medium 2026-03-25
CVE-2026-20110 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-266 6.5 Medium 2026-03-25
CVE-2026-20104 Cisco多款产品 安全漏洞 — Cisco IOS XE Software CWE-124 6.1 Medium 2026-03-25
CVE-2026-20004 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-771 7.4 High 2026-03-25
CVE-2026-20086 Cisco IOS XE Wireless Controller software 安全漏洞 — Cisco IOS XE Software CWE-230 8.6 High 2026-03-25
CVE-2026-20084 Cisco IOS XE Software 资源管理错误漏洞 — Cisco IOS XE Software CWE-400 8.6 High 2026-03-25
CVE-2025-20314 Cisco IOS XE 安全漏洞 — Cisco IOS XE Software CWE-232 6.7 Medium 2025-09-24
CVE-2025-20316 Cisco IOS XE 访问控制错误漏洞 — Cisco IOS XE Software CWE-284 5.3 Medium 2025-09-24
CVE-2025-20293 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-459 5.3 Medium 2025-09-24
CVE-2025-20338 Cisco IOS XE 安全漏洞 — Cisco IOS XE Software CWE-141 6.0 Medium 2025-09-24
CVE-2025-20240 Cisco IOS XE Software 安全漏洞 — Cisco IOS XE Software CWE-692 6.1 Medium 2025-09-24
CVE-2025-20313 Cisco IOS XE 安全漏洞 — Cisco IOS XE Software CWE-35 6.7 Medium 2025-09-24
CVE-2025-20311 Cisco IOS XE Software 代码问题漏洞 — Cisco IOS XE Software CWE-19 7.4 High 2025-09-24
CVE-2025-20312 Cisco IOS XE 安全漏洞 — Cisco IOS XE Software CWE-835 7.7 High 2025-09-24

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.