Vulnerabilities of Cisco IOS
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-20301 | A vulnerability in the Extensible Messaging Client Protocol (XMCP), also referred to as the External Client protocol, of… | 8.6 High | Aug 5, 2026 |
| CVE-2026-20125 | A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could allow an… | 7.7 High | Mar 25, 2026 |
| CVE-2026-20012 | A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software,… | 8.6 High | Mar 25, 2026 |
| CVE-2025-20363 | A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure… | 9.0 Critical | Sep 25, 2025 |
| CVE-2025-20149 | A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local… | 6.5 Medium | Sep 24, 2025 |
| CVE-2025-20327 | A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to… | 7.7 High | Sep 24, 2025 |
| CVE-2025-20352 | Exploited Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability | 7.7 High | Sep 24, 2025 |
| CVE-2025-20160 | A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software could… | 8.1 High | Sep 24, 2025 |
| CVE-2025-20239 | A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software, Secure… | 8.6 High | Aug 14, 2025 |
| CVE-2025-20225 | A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software, Secure… | 5.8 Medium | Aug 14, 2025 |
| CVE-2025-20196 | A vulnerability in the Cisco IOx application hosting environment of Cisco IOS Software and Cisco IOS XE Software could… | 5.3 Medium | May 7, 2025 |
| CVE-2025-20164 | A vulnerability in the Cisco Industrial Ethernet Switch Device Manager (DM) of Cisco IOS Software could allow an… | 8.3 High | May 7, 2025 |
| CVE-2025-20181 | A vulnerability in Cisco IOS Software for Cisco Catalyst 2960X, 2960XR, 2960CX, and 3560CX Series Switches could allow… | 6.8 Medium | May 7, 2025 |
| CVE-2025-20137 | A vulnerability in the access control list (ACL) programming of Cisco IOS Software that is running on Cisco Catalyst… | 4.7 Medium | May 7, 2025 |
| CVE-2025-20169 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20175 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20174 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20170 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20171 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20176 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20172 | A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could… | 7.7 High | Feb 5, 2025 |
| CVE-2025-20173 | A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated,… | 7.7 High | Feb 5, 2025 |
| CVE-2024-20414 | A vulnerability in the web UI feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated,… | 6.5 Medium | Sep 25, 2024 |
| CVE-2024-20465 | A vulnerability in the access control list (ACL) programming of Cisco IOS Software running on Cisco Industrial… | 5.8 Medium | Sep 25, 2024 |
| CVE-2024-20433 | A vulnerability in the Resource Reservation Protocol (RSVP) feature of Cisco IOS Software and Cisco IOS XE Software… | 8.6 High | Sep 25, 2024 |
Other Cisco products
Cisco Small Business RV Series Router Firmware 262
Cisco IOS XE Software 248
Cisco Identity Services Engine Software 199
Cisco Firepower Threat Defense Software 162
Cisco Adaptive Security Appliance (ASA) Software 161
Cisco Firepower Management Center 129
Cisco IOS XR Software 115
Cisco NX-OS Software 102
Cisco Secure Firewall Threat Defense (FTD) Software 81
Cisco Data Center Network Manager 74
Cisco Unified Communications Manager 62
Cisco SD-WAN vManage 61