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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-2021-1320 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1321 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1322 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1323 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1324 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1325 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1326 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1327 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1328 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1329 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1330 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1331 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1332 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1333 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1334 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1335 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1336 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1337 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1338 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1339 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1340 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1341 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1342 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1343 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1344 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1345 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1346 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1347 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1348 Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-121 7.2 High 2021-02-04
CVE-2021-1354 Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability — Cisco Unified Computing System Central Software CWE-295 4.3 Medium 2021-02-04

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.