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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.

Found 24 results / 3192Clear Filters
CVE IDTitleCVSSSeverityPublished
CVE-2023-20028 Cisco Secure Email Gateway, Cisco Secure Email and Web Manager, and Cisco Secure Web Appliance Cross-Site Scripting Vulnerabilities — Cisco Web Security Appliance (WSA)CWE-79 5.4 Medium2023-06-28
CVE-2023-20120 Cisco Secure Email Gateway, Cisco Secure Email and Web Manager, and Cisco Secure Web Appliance Cross-Site Scripting Vulnerabilities — Cisco Web Security Appliance (WSA)CWE-79 5.4 Medium2023-06-28
CVE-2022-20675 Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Service Vulnerability — Cisco Web Security Appliance (WSA)CWE-248 5.3 Medium2022-04-06
CVE-2022-20781 Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability — Cisco Web Security Appliance (WSA)CWE-79 5.4 Medium2022-04-06
CVE-2022-20784 Cisco Web Security Appliance Filter Bypass Vulnerability — Cisco Web Security Appliance (WSA)CWE-20 5.8 Medium2022-04-06
CVE-2021-34698 Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability — Cisco Web Security Appliance (WSA)CWE-401 8.6 High2021-10-06
CVE-2021-34749 Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability — Cisco Web Security Appliance (WSA)CWE-200 5.8 Medium2021-08-18
CVE-2021-1359 Cisco Web Security Appliance Privilege Escalation Vulnerability — Cisco Web Security Appliance (WSA)CWE-112 6.3 Medium2021-07-08
CVE-2021-1566 Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability — Cisco Web Security Appliance (WSA)CWE-296 7.4 High2021-06-16
CVE-2021-1516 Cisco Content Security Management Appliance, Email Security Appliance, and Web Security Appliance Information Disclosure Vulnerability — Cisco Web Security Appliance (WSA)CWE-540 4.3 Medium2021-05-06
CVE-2021-1490 Cisco Web Security Appliance Cross-Site Scripting Vulnerability — Cisco Web Security Appliance (WSA)CWE-79 4.7 Medium2021-05-06
CVE-2021-1271 Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability — Cisco Web Security Appliance (WSA)CWE-79 4.8 Medium2021-01-20
CVE-2021-1129 Cisco Email Security Appliance, Cisco Content Security Management Appliance, and Cisco Web Security Appliance Information Disclosure Vulnerability — Cisco Web Security Appliance (WSA)CWE-201 5.3 Medium2021-01-20
CVE-2020-3367 Cisco Secure Web Appliance Privilege Escalation Vulnerability — Cisco Web Security Appliance (WSA)CWE-78 7.8 -2020-11-18
CVE-2019-15969 Cisco Web Security Appliance Management Interface Cross-Site Scripting Vulnerability — Cisco Web Security Appliance (WSA)CWE-79 6.1 -2020-09-23
CVE-2020-3117 Cisco Web Security Appliance and Cisco Content Security Management Appliance HTTP Header Injection Vulnerability — Cisco Web Security Appliance (WSA)CWE-113 4.7 -2020-09-23
CVE-2020-3547 Cisco Email Security Appliance, Cisco Content Security Management Appliance, and Cisco Web Security Appliance Information Disclosure Vulnerability — Cisco Web Security Appliance (WSA)CWE-200 4.3 Medium2020-09-04
CVE-2020-3164 Cisco ESA, Cisco WSA, and Cisco SMA GUI Denial of Service Vulnerability — Cisco Web Security Appliance (WSA)CWE-20 5.3 -2020-03-04
CVE-2019-15956 Cisco Web Security Appliance Unauthorized Device Reset Vulnerability — Cisco Web Security Appliance (WSA)CWE-284 8.8 -2019-11-26
CVE-2019-1884 Cisco Web Security Appliance Web Proxy Denial of Service Vulnerability — Cisco Web Security Appliance (WSA)CWE-20 6.5 -2019-07-04
CVE-2019-1886 Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability — Cisco Web Security Appliance (WSA)CWE-20 8.6 -2019-07-04
CVE-2019-1817 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability — Cisco Web Security Appliance (WSA)CWE-20 7.5 -2019-05-03
CVE-2019-1816 Cisco Web Security Appliance Privilege Escalation Vulnerability — Cisco Web Security Appliance (WSA)CWE-20 7.8 -2019-05-03
CVE-2019-1672 Cisco Web Security Appliance Decryption Policy Bypass Vulnerability — Cisco Web Security Appliance (WSA)CWE-400 5.3 -2019-02-08

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.