VendorsCiscoios_xe16.11.1c

Vulnerabilities

Cisco IOS Xe 16.11.1c

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

74CVEs

CVE-2020-3227

Cisco IOx for IOS XE Software Privilege Escalation Vulnerability

Published 2020-06-03 · Modified

10.0EPSS 0.034

CVE-2021-34770

Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability

Published 2021-09-23 · Analyzed

10.0EPSS 0.030

CVE-2021-1619

Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability

Published 2021-09-23 · Modified

9.8EPSS 0.018

CVE-2026-20272

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Modified

9.8EPSS 0.006

CVE-2021-1435

Cisco IOS XE Software Web UI Command Injection Vulnerability

Published 2021-03-24 · Modified

9.0EPSS 0.081

CVE-2020-3229

Cisco IOS XE Software Web UI Privilege Escalation Vulnerability

Published 2020-06-03 · Modified

9.0EPSS 0.053

CVE-2020-3218

Cisco IOS XE Software Web UI Remote Code Execution Vulnerability

Published 2020-06-03 · Modified

9.0EPSS 0.049

CVE-2020-3211

Cisco IOS XE Software Web UI Command Injection Vulnerability

Published 2020-06-03 · Modified

9.0EPSS 0.035

CVE-2020-3219

Cisco IOS XE Software Web UI Command Injection Vulnerability

Published 2020-06-03 · Modified

9.0EPSS 0.033

CVE-2022-20719

Cisco IOx Application Hosting Environment Vulnerabilities

Published 2022-04-15 · Modified

9.0EPSS 0.027

CVE-2020-3212

Cisco IOS XE Software Web UI Command Injection Vulnerability

Published 2020-06-03 · Modified

9.0EPSS 0.026

CVE-2022-20718

Cisco IOx Application Hosting Environment Vulnerabilities

Published 2022-04-15 · Modified

9.0EPSS 0.024

CVE-2022-20723

Cisco IOx Application Hosting Environment Vulnerabilities

Published 2022-04-15 · Modified

9.0EPSS 0.021

CVE-2020-3224

Cisco IOS XE Software Web UI Command Injection Vulnerability

Published 2020-06-03 · Modified

9.0EPSS 0.018

CVE-2022-20720

Cisco IOx Application Hosting Environment Vulnerabilities

Published 2022-04-15 · Modified

9.0EPSS 0.015

CVE-2026-20267

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Modified

9.0EPSS 0.004

CVE-2020-3425

Cisco IOS XE Software Privilege Escalation Vulnerabilities

Published 2020-09-24 · Modified

8.8EPSS 0.018

CVE-2020-3225

Cisco IOS and IOS XE Software Common Industrial Protocol Denial of Service Vulnerabilities

Published 2020-06-03 · Modified

8.6EPSS 0.021

CVE-2020-3226

Cisco IOS and IOS XE Software Session Initiation Protocol Denial of Service Vulnerability

Published 2020-06-03 · Modified

8.6EPSS 0.016

CVE-2020-3221

Cisco IOS XE Software Flexible NetFlow Version 9 Denial of Service Vulnerability

Published 2020-06-03 · Modified

8.6EPSS 0.015

CVE-2022-20683

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Application Visibility and Control Denial of Service Vulnerability

Published 2022-04-15 · Modified

8.6EPSS 0.015

CVE-2021-1446

Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnerability

Published 2021-03-24 · Modified

8.6EPSS 0.015

CVE-2021-1373

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability

Published 2021-03-24 · Modified

8.6EPSS 0.015

CVE-2022-20682

Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability

Published 2022-04-15 · Modified

8.6EPSS 0.013

CVE-2023-20027

Cisco IOS XE Software Virtual Fragmentation Reassembly Denial of Service Vulnerability

Published 2023-03-23 · Modified

8.6EPSS 0.010

CVE-2020-3203

Cisco IOS XE Software Catalyst 9800 Series Wireless Controllers Denial of Service Vulnerability

Published 2020-06-03 · Modified

8.6EPSS 0.008

CVE-2026-20301

Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability

Published 2026-08-05 · Analyzed

8.6EPSS 0.006

CVE-2026-20271

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Modified

8.6EPSS 0.005

CVE-2026-20269

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Modified

8.6EPSS 0.005

CVE-2026-20273

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Analyzed

8.6EPSS 0.005

CVE-2026-20268

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Modified

8.6EPSS 0.005

CVE-2026-20270

Cisco IOS XE Software Security Hardening Release

Published 2026-08-05 · Modified

8.6EPSS 0.005

CVE-2021-1443

Cisco IOS XE Software Web UI OS Command Injection Vulnerability

Published 2021-03-24 · Modified

8.5EPSS 0.023

CVE-2021-1431

Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability

Published 2021-03-24 · Modified

7.8EPSS 0.016

CVE-2021-1442

Cisco IOS XE Software Plug-and-Play Privilege Escalation Vulnerability

Published 2021-03-24 · Modified

7.8EPSS 0.002

CVE-2022-20681

Cisco IOS XE Software for Cisco Catalyst 9000 Family Switches and Catalyst 9000 Family Wireless Controllers Privilege Escalation Vulnerability

Published 2022-04-15 · Modified

7.8EPSS 0.002

CVE-2021-1392

Cisco IOS and IOS XE Software Common Industrial Protocol Privilege Escalation Vulnerability

Published 2021-03-24 · Modified

7.8EPSS 0.002

CVE-2022-20679

Cisco IOS XE Software IPSec Denial of Service Vulnerability

Published 2022-04-15 · Modified

7.7EPSS 0.013

CVE-2022-20692

Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerability

Published 2022-04-15 · Modified

7.7EPSS 0.011

CVE-2026-20124

Cisco IOS XE Software SNMP Denial of Service Vulnerability

Published 2026-08-05 · Analyzed

7.7EPSS 0.005

Cisco IOS Xe 16.11.1c

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