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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-2021-1426 Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities — Cisco AnyConnect Secure Mobility Client CWE-378 7.0 High 2021-05-06
CVE-2021-1427 Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities — Cisco AnyConnect Secure Mobility Client CWE-378 7.0 High 2021-05-06
CVE-2021-1512 Cisco SD-WAN Software Arbitrary File Corruption Vulnerability — Cisco SD-WAN Solution CWE-552 7.1 - 2021-05-06
CVE-2021-1511 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities — Cisco SD-WAN vEdge router CWE-119 7.5 High 2021-05-06
CVE-2021-1510 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities — Cisco SD-WAN vEdge router CWE-119 7.5 High 2021-05-06
CVE-2021-1509 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities — Cisco SD-WAN vEdge router CWE-119 7.5 High 2021-05-06
CVE-2021-1508 Cisco SD-WAN vManage Software Vulnerabilities — Cisco SD-WAN vManage CWE-20 9.8 Critical 2021-05-06
CVE-2021-1507 Cisco SD-WAN vManage API Stored Cross-Site Scripting Vulnerability — Cisco SD-WAN vManage CWE-79 6.4 Medium 2021-05-06
CVE-2021-1506 Cisco SD-WAN vManage Software Vulnerabilities — Cisco SD-WAN vManage CWE-20 9.8 Critical 2021-05-06
CVE-2021-1505 Cisco SD-WAN vManage Software Vulnerabilities — Cisco SD-WAN vManage CWE-20 9.8 Critical 2021-05-06
CVE-2021-1499 Cisco HyperFlex HX Data Platform File Upload Vulnerability — Cisco HyperFlex HX Data Platform CWE-306 5.3 Medium 2021-05-06
CVE-2021-1498 Cisco HyperFlex HX Command Injection Vulnerabilities — Cisco HyperFlex HX Data Platform CWE-78 9.8 Critical 2021-05-06
CVE-2021-1497 Cisco HyperFlex HX Command Injection Vulnerabilities — Cisco HyperFlex HX Data Platform CWE-78 9.8 Critical 2021-05-06
CVE-2021-1496 Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities — Cisco AnyConnect Secure Mobility Client CWE-378 7.0 High 2021-05-06
CVE-2021-1490 Cisco Web Security Appliance Cross-Site Scripting Vulnerability — Cisco Web Security Appliance (WSA) CWE-79 4.7 Medium 2021-05-06
CVE-2021-1486 Cisco SD-WAN vManage HTTP Authentication User Enumeration Vulnerability — Cisco SD-WAN vManage CWE-203 5.3 Medium 2021-05-06
CVE-2021-1478 Cisco Unified Communications Manager Denial of Service Vulnerability — Cisco Unified Communications Manager CWE-284 5.3 Medium 2021-05-06
CVE-2021-1468 Cisco SD-WAN vManage Software Vulnerabilities — Cisco SD-WAN vManage CWE-20 9.8 Critical 2021-05-06
CVE-2021-1447 Cisco Content Security Management Appliance Privilege Escalation Vulnerability — Cisco Content Security Management Appliance (SMA) CWE-269 6.7 Medium 2021-05-06
CVE-2021-1438 Cisco Wide Area Application Services Software Information Disclosure Vulnerability — Cisco Wide Area Application Services (WAAS) CWE-668 5.5 Medium 2021-05-06
CVE-2021-1429 Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities — Cisco AnyConnect Secure Mobility Client CWE-378 7.0 High 2021-05-06
CVE-2021-1430 Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities — Cisco AnyConnect Secure Mobility Client CWE-378 7.0 High 2021-05-06
CVE-2021-1428 Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabilities — Cisco AnyConnect Secure Mobility Client CWE-378 7.0 High 2021-05-06
CVE-2021-1504 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services VPN Denial of Service Vulnerabilities — Cisco Adaptive Security Appliance (ASA) Software CWE-787 8.6 High 2021-04-29
CVE-2021-1501 Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability — Cisco Adaptive Security Appliance (ASA) Software CWE-613 8.6 High 2021-04-29
CVE-2021-1495 Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability — Cisco Firepower Threat Defense Software 5.8 Medium 2021-04-29
CVE-2021-1493 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability — Cisco Adaptive Security Appliance (ASA) Software CWE-120 8.5 High 2021-04-29
CVE-2021-1489 Cisco Firepower Device Manager Software Filesystem Space Exhaustion Denial of Service Vulnerability — Cisco Firepower Threat Defense Software CWE-400 6.5 - 2021-04-29
CVE-2021-1488 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 1000 and 2100 Series Appliances Command Injection Vulnerability — Cisco Adaptive Security Appliance (ASA) Software CWE-77 6.7 Medium 2021-04-29
CVE-2021-1477 Cisco Firepower Management Center Software Policy Vulnerability — Cisco Firepower Management Center CWE-284 4.3 Medium 2021-04-29

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.