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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-2021-1374 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family Stored Cross-Site Scripting Vulnerability CWE-79 4.8 Medium2021-03-24
CVE-2021-1375 Cisco IOS XE Software Fast Reload Vulnerabilities CWE-347 6.7 -2021-03-24
CVE-2021-1376 Cisco IOS XE Software Fast Reload Vulnerabilities CWE-347 6.7 -2021-03-24
CVE-2021-1382 Cisco IOS XE SD-WAN Software Command Injection Vulnerability CWE-77 6.0 Medium2021-03-24
CVE-2021-1383 Cisco IOS XE SD-WAN Software Parameter Injection Vulnerabilities CWE-20 6.0 Medium2021-03-24
CVE-2021-1384 Cisco IOx for IOS XE Software Command Injection Vulnerability CWE-77 6.5 Medium2021-03-24
CVE-2021-1390 Cisco IOS XE Software Local Privilege Escalation Vulnerability CWE-123 5.1 Medium2021-03-24
CVE-2021-1394 Cisco IOS XE Software for Network Convergence System 520 Routers Denial of Service Vulnerability CWE-399 5.3 Medium2021-03-24
CVE-2021-1398 Cisco IOS XE Software Arbitrary Code Execution Vulnerability CWE-489 6.8 Medium2021-03-24
CVE-2021-1403 Cisco IOS XE Software Web UI Cross-Site WebSocket Hijacking Vulnerability CWE-345 7.4 High2021-03-24
CVE-2021-1454 Cisco IOS XE SD-WAN Software Parameter Injection Vulnerabilities CWE-20 6.0 Medium2021-03-24
CVE-2021-1453 Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability CWE-347 6.8 Medium2021-03-24
CVE-2021-1451 Cisco IOS XE Software Easy Virtual Switching System Arbitrary Code Execution Vulnerability CWE-119 8.1 High2021-03-24
CVE-2021-1446 Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnerability CWE-754 8.6 High2021-03-24
CVE-2021-1443 Cisco IOS XE Software Web UI OS Command Injection Vulnerability CWE-77 5.5 Medium2021-03-24
CVE-2021-1441 Cisco IOS XE Software Hardware Initialization Routines Arbitrary Code Execution Vulnerability CWE-78 6.7 Medium2021-03-24
CVE-2021-1442 Cisco IOS XE Software Plug-and-Play Privilege Escalation Vulnerability CWE-532 7.8 -2021-03-24
CVE-2021-1436 Cisco IOS XE SD-WAN Software Path Traversal Vulnerability CWE-22 4.4 Medium2021-03-24
CVE-2021-1435 Cisco IOS XE Software Web UI Command Injection Vulnerability CWE-22 8.8 -2021-03-24
CVE-2021-1434 Cisco IOS XE SD-WAN Software Arbitrary File Corruption Vulnerability CWE-552 4.4 Medium2021-03-24
CVE-2021-1433 Cisco IOS XE SD-WAN Software vDaemon Buffer Overflow Vulnerability CWE-119 8.1 High2021-03-24
CVE-2021-1432 Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability CWE-20 7.3 High2021-03-24
CVE-2021-1431 Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability CWE-20 7.5 High2021-03-24
CVE-2020-3359 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability CWE-20 8.6 -2020-09-24
CVE-2020-3390 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Trap Denial of Service Vulnerability CWE-20 7.4 -2020-09-24
CVE-2020-3393 Cisco IOS XE Software IOx Application Hosting Privilege Escalation Vulnerability CWE-269 6.0 Medium2020-09-24
CVE-2020-3396 Cisco IOS XE Software IOx Guest Shell USB SSD Namespace Protection Privilege Escalation Vulnerability CWE-284 6.8 Medium2020-09-24
CVE-2020-3399 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability CWE-126 8.6 High2020-09-24
CVE-2020-3400 Cisco IOS XE Software Web UI Authorization Bypass Vulnerability CWE-862 8.8 -2020-09-24
CVE-2020-3403 Cisco IOS XE Software Command Injection Vulnerability CWE-78 7.8 -2020-09-24

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