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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-2026-76426 Cisco ISE REST API SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-89 4.9 Medium 2026-09-16
CVE-2026-20121 CIsco FTD Bypass Access List — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CWE-284 5.3 Medium 2026-09-16
CVE-2026-76431 Cisco Identity Services Engine Arbitrary File Deletion Vulnerability — Cisco Identity Services Engine Software CWE-22 4.9 Medium 2026-09-16
CVE-2026-76427 Cisco ISE XML External Entity Injection Vulnerability — Cisco Identity Services Engine Software CWE-611 4.9 Medium 2026-09-16
CVE-2026-76447 Cisco Identity Services Engine Certificate Reload Vulnerability — Cisco Identity Services Engine Software CWE-306 5.3 Medium 2026-09-16
CVE-2026-20287 Cisco Identity Services Engine Hardening Release - Improper Privlege Management Vulnerabilities — Cisco Identity Services Engine Software CWE-269 6.5 Medium 2026-09-16
CVE-2026-20285 Cisco Identity Services Engine Authorization Bypass Vulnerability — Cisco Identity Services Engine Software CWE-285 4.3 Medium 2026-09-16
CVE-2026-20286 Cisco Identity Services Engine Authorization Bypass Vulnerability — Cisco Identity Services Engine Software CWE-285 4.3 Medium 2026-09-16
CVE-2026-76438 Cisco BroadWorks CommPilot Application Software Authorization Bypass Vulnerability — Cisco BroadWorks CWE-863 6.5 Medium 2026-09-16
CVE-2026-20072 ISE information disclosure — Cisco Identity Services Engine Software CWE-863 4.9 Medium 2026-09-16
CVE-2026-76446 Cisco Identity Services Engine External Entity Injection Vulnerability — Cisco Identity Services Engine Software CWE-611 4.9 Medium 2026-09-16
CVE-2026-20071 ISE 802.1x Session Hijack Vulnerability — Cisco Identity Services Engine Software CWE-290 3.8 Low 2026-09-16
CVE-2026-76432 Cisco Identity Services Engine Arbitrary File Write Vulnerability — Cisco Identity Services Engine Software CWE-22 4.9 Medium 2026-09-16
CVE-2026-20300 Cisco Identity Services Engine SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-89 7.1 High 2026-09-16
CVE-2026-76448 Cisco Identity Services Engine SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-89 4.9 Medium 2026-09-16
CVE-2026-76434 Cisco Identity Services Engine Arbitrary File Read Vulnerability — Cisco Identity Services Engine Software CWE-22 4.9 Medium 2026-09-16
CVE-2026-20120 Cisco FTD ACL bypass vulnerability — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CWE-284 5.8 Medium 2026-09-16
CVE-2026-76444 Cisco Identity Services Engine Information Disclosure Vulnerability — Cisco Identity Services Engine Software CWE-306 5.3 Medium 2026-09-16
CVE-2026-76451 Cisco Identity Services Engine Certificate Management SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-564 4.9 Medium 2026-09-16
CVE-2026-20290 Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability — Cisco Secure Firewall Threat Defense (FTD) Software CWE-805 5.8 Medium 2026-09-16
CVE-2026-20235 Cisco Identity Services Engine Information Disclosure Vulnerability — Cisco Identity Services Engine Software CWE-89 4.9 Medium 2026-09-16
CVE-2026-76449 Cisco Identity Services Engine SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-89 4.9 Medium 2026-09-16
CVE-2026-76450 Cisco Identity Services Engine SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-564 4.9 Medium 2026-09-16
CVE-2026-20309 Cisco Identity Services Engine Cross-Site Scripting Vulnerability — Cisco Identity Services Engine Software CWE-79 6.1 Medium 2026-09-16
CVE-2026-76428 Cisco ISE Profiler SQL Injection Vulnerability — Cisco Identity Services Engine Software CWE-89 4.9 Medium 2026-09-16
CVE-2026-76439 Cisco Identity Services Engine Event Injection Vulnerability — Cisco Identity Services Engine Software CWE-306 5.3 Medium 2026-09-16
CVE-2026-76433 Cisco Identity Services Engine Information Disclosure Vulnerability — Cisco Identity Services Engine Software CWE-22 5.3 Medium 2026-09-16
CVE-2026-20248 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CWE-195 6.8 Medium 2026-09-16
CVE-2026-20342 Cisco Secure Firewall Management Center Software Low Privileged Arbitrary File Download Vulnerability — Cisco Secure Firewall Management Center (FMC) CWE-639 7.7 High 2026-09-16
CVE-2026-20282 Cisco Identity Services Engine Authenticated Write Vulnerability — Cisco Identity Services Engine Software CWE-641 4.9 Medium 2026-09-16

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.