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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.

Found 222 results / 3365 Clear Filters
CVE ID Title CVSS Severity Published
CVE-2022-20870 Cisco IOS XE Software for Catalyst Switches MPLS Denial of Service Vulnerability — Cisco IOS XE Software CWE-130 8.6 High 2022-10-10
CVE-2022-20944 Cisco IOS XE Software for Catalyst 9200 Series Switches Arbitrary Code Execution Vulnerability — Cisco IOS XE Software CWE-347 6.1 Medium 2022-10-10
CVE-2022-20856 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility Denial of Service Vulnerability — Cisco IOS XE Software CWE-664 8.6 High 2022-09-30
CVE-2022-20855 Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points Privilege Escalation Vulnerability — Cisco IOS XE Software CWE-266 7.9 High 2022-09-30
CVE-2022-20851 Cisco IOS XE Software Web UI Command Injection Vulnerability — Cisco IOS XE Software CWE-77 5.5 Medium 2022-09-30
CVE-2022-20848 Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points UDP Processing Denial of Service Vulnerability — Cisco IOS XE Software CWE-399 8.6 High 2022-09-30
CVE-2022-20847 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Denial of Service Vulnerability — Cisco IOS XE Software CWE-399 8.6 High 2022-09-30
CVE-2022-20810 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Information Disclosure Vulnerability — Cisco IOS XE Software CWE-202 6.5 Medium 2022-09-30
CVE-2022-20676 Cisco IOS XE Software Tool Command Language Privilege Escalation Vulnerability — Cisco IOS XE Software CWE-250 5.1 Medium 2022-04-15
CVE-2022-20678 Cisco IOS XE Software AppNav-XE Denial of Service Vulnerability — Cisco IOS XE Software CWE-413 8.6 High 2022-04-15
CVE-2022-20679 Cisco IOS XE Software IPSec Denial of Service Vulnerability — Cisco IOS XE Software CWE-20 6.8 Medium 2022-04-15
CVE-2022-20681 Cisco IOS XE Software for Cisco Catalyst 9000 Family Switches and Catalyst 9000 Family Wireless Controllers Privilege Escalation Vulnerability — Cisco IOS XE Software CWE-266 7.8 High 2022-04-15
CVE-2022-20682 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability — Cisco IOS XE Software CWE-690 8.6 High 2022-04-15
CVE-2022-20683 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility and Control Denial of Service Vulnerability — Cisco IOS XE Software CWE-124 8.6 High 2022-04-15
CVE-2022-20684 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability — Cisco IOS XE Software CWE-190 7.4 High 2022-04-15
CVE-2022-20692 Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerability — Cisco IOS XE Software CWE-400 7.7 High 2022-04-15
CVE-2022-20693 Cisco IOS XE Software Web UI API Injection Vulnerability — Cisco IOS XE Software CWE-74 4.7 Medium 2022-04-15
CVE-2022-20694 Cisco IOS XE Software Border Gateway Protocol Resource Public Key Infrastructure Denial of Service Vulnerability — Cisco IOS XE Software CWE-617 6.8 Medium 2022-04-15
CVE-2021-1621 Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability — Cisco IOS XE Software CWE-399 7.4 High 2021-09-23
CVE-2021-1619 Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability — Cisco IOS XE Software CWE-824 9.8 Critical 2021-09-23
CVE-2021-1616 Cisco IOS XE Software H.323 Application Level Gateway Bypass Vulnerability — Cisco IOS XE Software CWE-693 4.7 Medium 2021-09-23
CVE-2021-1615 Cisco Embedded Wireless Controller Software for Catalyst Access Points Denial of Service Vulnerability — Cisco IOS XE Software CWE-410 8.6 High 2021-09-23
CVE-2021-1611 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers EoGRE Denial of Service Vulnerability — Cisco IOS XE Software CWE-399 8.6 High 2021-09-23
CVE-2021-1565 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities — Cisco IOS XE Software CWE-415 8.6 High 2021-09-23
CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability — Cisco IOS XE Software CWE-122 10.0 Critical 2021-09-23
CVE-2021-34769 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities — Cisco IOS XE Software CWE-415 8.6 High 2021-09-23
CVE-2021-34768 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities — Cisco IOS XE Software CWE-415 8.6 High 2021-09-23
CVE-2021-34767 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service Vulnerability — Cisco IOS XE Software CWE-670 7.4 High 2021-09-23
CVE-2021-34723 Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability — Cisco IOS XE Software CWE-668 6.7 Medium 2021-09-23
CVE-2021-34697 Cisco IOS XE Software Protection Against Distributed Denial of Service Attacks Feature Vulnerability — Cisco IOS XE Software CWE-665 5.8 Medium 2021-09-23

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.