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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-2021-1370 Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Privilege Escalation Vulnerability — Cisco IOS XR Software CWE-78 7.8 - 2021-02-04
CVE-2021-1389 Cisco IOS XR and Cisco NX-OS Software IPv6 Access Control List Bypass Vulnerability — Cisco IOS XR Software CWE-284 5.8 Medium 2021-02-04
CVE-2021-1128 Cisco IOS XR Software Unauthorized Information Disclosure Vulnerability — Cisco IOS XR Software CWE-201 5.5 Medium 2021-02-04
CVE-2021-1136 Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities — Cisco IOS XR Software CWE-347 6.7 Medium 2021-02-04
CVE-2021-1221 Cisco Webex Meetings and Cisco Webex Meetings Server Software Hyperlink Injection Vulnerability — Cisco WebEx Meetings Server CWE-20 4.1 Medium 2021-02-04
CVE-2021-1243 Cisco IOS XR Software SNMP Management Plane Protection ACL Bypass Vulnerability — Cisco IOS XR Software CWE-284 5.3 Medium 2021-02-04
CVE-2021-1244 Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities — Cisco IOS XR Software CWE-347 6.7 Medium 2021-02-04
CVE-2021-1266 Cisco Managed Services Accelerator Denial of Service Vulnerability — Cisco Managed Services Accelerator CWE-400 4.3 Medium 2021-02-04
CVE-2021-1268 Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability — Cisco IOS XR Software CWE-1076 7.4 High 2021-02-04
CVE-2021-1288 Cisco IOS XR Software Enf Broker Denial of Service Vulnerability — Cisco IOS XR Software CWE-399 8.6 High 2021-02-04
CVE-2021-1289 Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities — Cisco Small Business RV Series Router Firmware CWE-472 9.8 Critical 2021-02-04
CVE-2021-1135 Cisco Data Center Network Manager REST API Vulnerabilities — Cisco Data Center Network Manager CWE-184 4.6 Medium 2021-01-20
CVE-2021-1138 Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities — Cisco Smart Software Manager On-Prem CWE-20 9.8 Critical 2021-01-20
CVE-2021-1139 Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities — Cisco Smart Software Manager On-Prem CWE-20 9.8 Critical 2021-01-20
CVE-2021-1140 Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities — Cisco Smart Software Manager On-Prem CWE-20 9.8 Critical 2021-01-20
CVE-2021-1141 Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities — Cisco Smart Software Manager On-Prem CWE-20 9.8 Critical 2021-01-20
CVE-2021-1142 Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities — Cisco Smart Software Manager On-Prem CWE-20 9.8 Critical 2021-01-20
CVE-2021-1218 Cisco Smart Software Manager Satellite Open Redirect Vulnerability — Cisco Smart Software Manager On-Prem CWE-601 5.4 - 2021-01-20
CVE-2021-1219 Cisco Smart Software Manager Satellite Static Credential Vulnerability — Cisco Smart Software Manager On-Prem CWE-798 7.8 - 2021-01-20
CVE-2021-1222 Cisco Smart Software Manager Satellite SQL Injection Vulnerability — Cisco Smart Software Manager On-Prem CWE-89 8.1 - 2021-01-20
CVE-2021-1225 Cisco SD-WAN vManage SQL Injection Vulnerabilities — Cisco SD-WAN vManage CWE-89 9.1 - 2021-01-20
CVE-2021-1250 Cisco Data Center Network Manager Vulnerabilities — Cisco Data Center Network Manager CWE-20 6.5 Medium 2021-01-20
CVE-2021-1249 Cisco Data Center Network Manager Vulnerabilities — Cisco Data Center Network Manager CWE-20 6.5 Medium 2021-01-20
CVE-2021-1248 Cisco Data Center Network Manager SQL Injection Vulnerabilities — Cisco Data Center Network Manager CWE-89 8.8 High 2021-01-20
CVE-2021-1247 Cisco Data Center Network Manager SQL Injection Vulnerabilities — Cisco Data Center Network Manager CWE-89 8.8 High 2021-01-20
CVE-2021-1241 Cisco SD-WAN Denial of Service Vulnerabilities — Cisco SD-WAN Solution CWE-119 8.6 High 2021-01-20
CVE-2021-1235 Cisco SD-WAN vManage Information Disclosure Vulnerability — Cisco SD-WAN vManage CWE-497 5.5 - 2021-01-20
CVE-2021-1233 Cisco SD-WAN Information Disclosure Vulnerability — Cisco SD-WAN Solution CWE-20 5.5 - 2021-01-20
CVE-2021-1253 Cisco Data Center Network Manager Vulnerabilities — Cisco Data Center Network Manager CWE-20 6.5 Medium 2021-01-20
CVE-2021-1305 Cisco SD-WAN vManage Authorization Bypass Vulnerabilities — Cisco SD-WAN vManage CWE-20 8.8 High 2021-01-20

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.