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cisco

348 known vulnerabilities affecting cisco products.

Products

secure_firewall_threat_defense 274 adaptive_security_appliance_software 151 asa_5525-x 41 asa_5555-x 41 asa_5580 39 asa_5512-x 39 asa_5515-x 39 asa_5505 38 asa_5585-x 37 asa_5545-x 33 asa_5550 28 asa_5510 28 secure_firewall_management_center 28 adaptive_security_appliance 27 asa_5520 27 asa_5545-x_firmware 22 asa_5555-x_firmware 22 asa_5580_firmware 22 asa_5505_firmware 22 asa_5515-x_firmware 22 asa_5512-x_firmware 22 asa_5525-x_firmware 22 ios_xe 22 asa_5585-x_firmware 21

Vulnerabilities by priority

CVEPriorityEPSSCVSSKEVWhat
CVE-2020-3452 Act now 100.0% 7.5 A vulnerability in the web services interface of Cisco Adaptive Security Applian…
CVE-2018-0296 Act now 99.9% 7.5 A vulnerability in the web interface of the Cisco Adaptive Security Appliance (A…
CVE-2026-20230 Act now 88.2% 8.6 A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco U…
CVE-2025-20362 Act now 87.1% 6.5 Update: On November 5, 2025, Cisco became aware of a new attack variant against …
CVE-2020-3580 Act now 85.6% 6.1 Multiple vulnerabilities in the web services interface of Cisco Adaptive Securit…
CVE-2026-20079 Act now 75.8% 10.0 A vulnerability in the web interface of Cisco Secure Firewall Management Center …
CVE-2020-3259 Act now 71.8% 7.5 A vulnerability in the web services interface of Cisco Adaptive Security Applian…
CVE-2024-20353 Act now 70.7% 8.6 A vulnerability in the management and VPN web servers for Cisco Adaptive Securit…
CVE-2025-20333 Act now 70.7% 9.9 A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security…
CVE-2020-3153 Act now 28.3% 6.5 A vulnerability in the installer component of Cisco AnyConnect Secure Mobility C…
CVE-2026-20262 Act now 28.2% 6.5 A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN …
CVE-2023-20269 Act now 25.5% 5.0 A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appl…
CVE-2026-20245 Act now 25.3% 7.8 A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN …
CVE-2024-20359 Act now 19.4% 6.0 A vulnerability in a legacy capability that allowed for the preloading of VPN cl…
CVE-2024-20481 Act now 15.8% 5.8 A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Secur…
CVE-2026-20316 Act now 11.2% 5.3 A vulnerability in the web interface of Cisco Secure Firewall Management Center …
CVE-2020-3433 Act now 10.0% 7.8 A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConn…
CVE-2026-20349 Act now 2.2% 8.6 A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall A…
CVE-2026-76461 Act now 2.0% 9.8 A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure …
CVE-2020-3187 High 96.6% 9.1 A vulnerability in the web services interface of Cisco Adaptive Security Applian…
CVE-2018-0101 High 86.8% 10.0 A vulnerability in the Secure Sockets Layer (SSL) VPN functionality of the Cisco…
CVE-2022-20759 Medium 28.2% 8.8 A vulnerability in the web services interface for remote access VPN features of …
CVE-2022-20866 Medium 17.4% 7.4 A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Se…
CVE-2025-20363 Medium 6.9% 9.0 A vulnerability in the web services of Cisco Secure Firewall Adaptive Security A…
CVE-2026-20200 Medium 5.7% 8.8 A vulnerability in the web-based management interface of Cisco IMC could allow a…
CVE-2018-0231 Medium 4.5% 8.6 A vulnerability in the Transport Layer Security (TLS) library of Cisco Adaptive …
CVE-2018-15454 Medium 4.4% 8.6 A vulnerability in the Session Initiation Protocol (SIP) inspection engine of Ci…
CVE-2019-15992 Medium 4.1% 7.2 A vulnerability in the implementation of the Lua interpreter integrated in Cisco…
CVE-2020-3304 Medium 3.9% 8.6 A vulnerability in the web interface of Cisco Adaptive Security Appliance (ASA) …
CVE-2018-0240 Medium 3.9% 8.6 Multiple vulnerabilities in the Application Layer Protocol Inspection feature of…
CVE-2019-1971 Medium 3.6% 9.8 A vulnerability in the web portal of Cisco Enterprise NFV Infrastructure Softwar…
CVE-2018-0228 Medium 3.6% 8.6 A vulnerability in the ingress flow creation functionality of Cisco Adaptive Sec…
CVE-2019-1687 Medium 2.9% 7.5 A vulnerability in the TCP proxy functionality for Cisco Adaptive Security Appli…
CVE-2019-1703 Medium 2.9% 8.6 A vulnerability in the internal packet-processing functionality of Cisco Firepow…
CVE-2020-3554 Medium 2.7% 7.5 A vulnerability in the TCP packet processing of Cisco Adaptive Security Applianc…
CVE-2019-1694 Medium 2.5% 8.6 A vulnerability in the TCP processing engine of Cisco Adaptive Security Applianc…
CVE-2018-15383 Medium 2.5% 7.5 A vulnerability in the cryptographic hardware accelerator driver of Cisco Adapti…
CVE-2018-0230 Medium 2.4% 8.6 A vulnerability in the internal packet-processing functionality of Cisco Firepow…
CVE-2017-6632 Medium 2.4% 7.5 A vulnerability in the logging configuration of Secure Sockets Layer (SSL) polic…
CVE-2019-1895 Medium 2.3% 9.8 A vulnerability in the Virtual Network Computing (VNC) console implementation of…
CVE-2019-1704 Medium 2.2% 7.5 Multiple vulnerabilities in the Server Message Block (SMB) Protocol preprocessor…
CVE-2020-3550 Medium 2.2% 8.1 A vulnerability in the sfmgr daemon of Cisco Firepower Management Center (FMC) S…
CVE-2018-15462 Medium 2.1% 8.6 A vulnerability in the TCP ingress handler for the data interfaces that are conf…
CVE-2018-0227 Medium 2.0% 7.5 A vulnerability in the Secure Sockets Layer (SSL) Virtual Private Network (VPN) …
CVE-2019-1708 Medium 2.0% 8.6 A vulnerability in the Internet Key Exchange Version 2 Mobility and Multihoming …
CVE-2021-1223 Medium 2.0% 7.5 Multiple Cisco products are affected by a vulnerability in the Snort detection e…
CVE-2019-1714 Medium 2.0% 8.6 A vulnerability in the implementation of Security Assertion Markup Language (SAM…
CVE-2020-3373 Medium 2.0% 8.6 A vulnerability in the IP fragment-handling implementation of Cisco Adaptive Sec…
CVE-2021-34762 Medium 2.0% 8.1 A vulnerability in the web-based management interface of Cisco Firepower Managem…
CVE-2018-15388 Medium 2.0% 8.6 A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance…
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