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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 30 results / 3192Clear Filters
CVE IDTitleCVSSSeverityPublished
CVE-2023-20057 Cisco Email Security Appliance 注入漏洞 — Cisco Email Security Appliance (ESA)CWE-792--2023-01-19
CVE-2022-20798 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-287 9.8 Critical2022-06-15
CVE-2022-20664 Cisco Email Security Appliance and Cisco Secure Email and Web Manager Information Disclosure Vulnerability — Cisco Email Security Appliance (ESA)CWE-497 7.7 High2022-06-15
CVE-2022-20653 Cisco Email Security Appliance DNS Verification Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-399 7.5 High2022-02-17
CVE-2021-34741 Cisco Email Security Appliance Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-770 7.5 High2021-11-04
CVE-2021-1534 Cisco Email Security Appliance URL Filtering Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.8 Medium2021-10-06
CVE-2020-3568 Cisco Email Security Appliance URL Filtering Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.8 Medium2020-10-08
CVE-2019-1947 Cisco Email Security Appliance Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 8.6 -2020-09-23
CVE-2019-1983 Cisco Email Security Appliance and Cisco Content Security Management Appliance Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2020-09-23
CVE-2020-3133 Cisco Email Security Appliance Content Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 7.5 -2020-09-23
CVE-2020-3137 Cisco Email Security Appliance Cross-Site Scripting Vulnerability — Cisco Email Security Appliance (ESA)CWE-79 6.1 -2020-09-23
CVE-2020-3546 Cisco Email Security Appliance Information Disclosure Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2020-09-04
CVE-2020-3447 Cisco Email Security Appliance and Cisco Content Security Management Appliance Information Disclosure Vulnerability — Cisco Email Security Appliance (ESA)CWE-532 5.5 Medium2020-08-17
CVE-2020-3370 Cisco Content Security Management Appliance Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.8 -2020-07-16
CVE-2020-3368 Cisco Email Security Appliance URL Filtering Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2020-06-18
CVE-2020-3181 Cisco Email Security Appliance Uncontrolled Resource Exhaustion Vulnerability — Cisco Email Security Appliance (ESA)CWE-400 6.5 -2020-03-04
CVE-2020-3132 Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-400 5.9 -2020-02-19
CVE-2020-3134 Cisco Email Security Appliance Zip Decompression Engine Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 7.5 -2020-01-26
CVE-2019-15971 Cisco Email Security Appliance MP3 Content Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 4.3 -2019-11-26
CVE-2019-15988 Cisco Email Security Appliance URL Filtering Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2019-11-26
CVE-2019-12706 Cisco Email Security Appliance Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 7.5 -2019-10-02
CVE-2019-1955 Cisco Email Security Appliance Header Injection Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 7.5 -2019-08-08
CVE-2019-1933 Cisco Email Security Appliance Content Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 8.6 -2019-07-06
CVE-2019-1921 Cisco Email Security Appliance Content Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 7.5 -2019-07-06
CVE-2019-1905 Cisco Email Security Appliance GZIP Content Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2019-06-20
CVE-2019-1844 Cisco Email Security Appliance Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2019-05-03
CVE-2019-1831 Cisco Email Security Appliance Content Filter Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 5.3 -2019-04-18
CVE-2018-15460 Cisco Email Security Appliance URL Filtering Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 8.6 -2019-01-10
CVE-2018-15453 Cisco Email Security Appliance Memory Corruption Denial of Service Vulnerability — Cisco Email Security Appliance (ESA)CWE-20 8.6 -2019-01-10
CVE-2018-0447 Cisco Email Security Appliance URL Filtering Bypass Vulnerability — Cisco Email Security Appliance (ESA)CWE-284 5.3 -2018-10-05

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.