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Cisco IOS XE Software — Vulnerabilities & Security Advisories 212

All 212 CVE vulnerabilities found in Cisco IOS XE Software, with AI-generated Chinese analysis, references, and POCs.

This page documents software vulnerabilities associated with Cisco IOS XE Software, categorized by Common Weakness Enumerations. It aggregates a comprehensive collection of security flaws affecting this widely deployed operating system, covering historical reports from initial releases through recent updates to ensure complete visibility into the product's risk landscape. Visitors can utilize this resource to track official vendor advisories as they are issued, gain a deeper understanding of specific weakness classes such as buffer overflows or privilege escalation, and examine the detailed vulnerability history of Cisco IOS XE to assess long-term security trends. The information is organized to help security professionals, system administrators, and auditors quickly identify critical issues, verify patch applicability, and prioritize remediation efforts based on severity and exposure. By consolidating data from multiple sources into a single view, this page simplifies the process of monitoring the security posture of Cisco IOS XE deployments. Users can search for specific keywords, filter by weakness type, or review chronological entries to understand how vulnerabilities have evolved over time. This structured approach supports informed decision-making regarding infrastructure security and compliance requirements without requiring extensive manual research across disparate vendor announcements. The goal is to provide a clear, factual, and accessible reference for anyone responsible for maintaining the integrity and security of networks relying on this software platform.

Vendor: n/a

CVE IDTitleCVSSSeverityPublished
CVE-2022-20682 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability CWE-690 8.6 High2022-04-15
CVE-2022-20683 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility and Control Denial of Service Vulnerability CWE-124 8.6 High2022-04-15
CVE-2022-20684 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability CWE-190 7.4 High2022-04-15
CVE-2022-20692 Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerability CWE-400 7.7 High2022-04-15
CVE-2022-20693 Cisco IOS XE Software Web UI API Injection Vulnerability CWE-74 4.7 Medium2022-04-15
CVE-2022-20694 Cisco IOS XE Software Border Gateway Protocol Resource Public Key Infrastructure Denial of Service Vulnerability CWE-617 6.8 Medium2022-04-15
CVE-2021-1621 Cisco IOS XE Software Interface Queue Wedge Denial of Service Vulnerability CWE-399 7.4 High2021-09-23
CVE-2021-1619 Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability CWE-824 9.8 Critical2021-09-23
CVE-2021-1616 Cisco IOS XE Software H.323 Application Level Gateway Bypass Vulnerability CWE-693 4.7 Medium2021-09-23
CVE-2021-1615 Cisco Embedded Wireless Controller Software for Catalyst Access Points Denial of Service Vulnerability CWE-410 8.6 High2021-09-23
CVE-2021-1611 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers EoGRE Denial of Service Vulnerability CWE-399 8.6 High2021-09-23
CVE-2021-1565 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities CWE-415 8.6 High2021-09-23
CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability CWE-122 10.0 Critical2021-09-23
CVE-2021-34769 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities CWE-415 8.6 High2021-09-23
CVE-2021-34768 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Denial of Service Vulnerabilities CWE-415 8.6 High2021-09-23
CVE-2021-34767 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service Vulnerability CWE-670 7.4 High2021-09-23
CVE-2021-34723 Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability CWE-668 6.7 Medium2021-09-23
CVE-2021-34697 Cisco IOS XE Software Protection Against Distributed Denial of Service Attacks Feature Vulnerability CWE-665 5.8 Medium2021-09-23
CVE-2021-34696 Cisco ASR 900 and ASR 920 Series Aggregation Services Routers Access Control List Bypass Vulnerability CWE-284 5.8 Medium2021-09-23
CVE-2021-1625 Cisco IOS XE Software Zone-Based Policy Firewall ICMP and UDP Inspection Vulnerability CWE-284 5.8 Medium2021-09-23
CVE-2021-1624 Cisco IOS XE Software Rate Limiting Network Address Translation Denial of Service Vulnerability CWE-399 8.6 High2021-09-23
CVE-2021-1623 Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Simple Network Management Protocol Denial of Service Vulnerability CWE-399 7.7 High2021-09-23
CVE-2021-1622 Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability CWE-833 8.6 High2021-09-23
CVE-2021-1381 Cisco IOS XE Software Active Debug Code Vulnerability CWE-489 6.1 Medium2021-03-24
CVE-2021-1220 Cisco IOS XE Software Web UI Denial of Service Vulnerabilities CWE-20 4.3 Medium2021-03-24
CVE-2021-1281 Cisco IOS XE SD-WAN Software Privilege Escalation Vulnerability CWE-399 5.1 Medium2021-03-24
CVE-2021-1352 Cisco IOS XE Software DECnet Phase IV/OSI Denial of Service Vulnerability CWE-823 7.4 High2021-03-24
CVE-2021-1356 Cisco IOS XE Software Web UI Denial of Service Vulnerabilities CWE-20 4.3 Medium2021-03-24
CVE-2021-1371 Cisco IOS XE SD-WAN Software Console Privilege Escalation Vulnerability CWE-269 6.6 Medium2021-03-24
CVE-2021-1373 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability CWE-126 8.6 High2021-03-24

All 212 known CVE vulnerabilities affecting Cisco IOS XE Software with full Chinese analysis, references, and POCs where available.