Cisco vulnerabilities
3,442 CVEs and advisories name Cisco as an affected vendor, 63 of them on CISA's Known Exploited Vulnerabilities catalog, newest first. Follow it as a feed.
- CVE-2026-20066Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
- CVE-2026-20065Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
- CVE-2026-20063Cisco Secure FTD Software Authenticated Command Injection Vulnerability
- CVE-2026-20058Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability
- CVE-2026-20057Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability
- CVE-2026-20054Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service Vulnerability
- CVE-2026-20053Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Heap Overflow Denial of Service Vulnerability
- CVE-2026-20052Cisco Secure Firewall Threat Defense Software Snort 3 Memory Management Denial of Service Vulnerability
- CVE-2026-20050Cisco Secure Firewall Threat Defense Decryption Policy Denial of Service Vulnerability
- CVE-2026-20017Cisco Secure FTD Software Authenticated Command Injection Vulnerability
- CVE-2026-20018Cisco Firepower Management Center Software and Firepower Threat Defense Path Traversal Vulnerability
- CVE-2026-20007Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability
- CVE-2026-20006Cisco Firepower Threat Defense Software and Cisco FirePOWER Services TLS with Snort 3 Denial of Service Vulnerability
- CVE-2026-20149A vulnerability in Cisco Webex could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.
- CVE-2026-20082A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could
- CVE-2026-20062A vulnerability in the CLI of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software in multiple context mode could allow an authe
- CVE-2026-20049A vulnerability in the processing of Galois/Counter Mode (GCM)-encrypted Internet Key Exchange version 2 (IKEv2) IPsec traffic of Cisco Secu
- CVE-2026-20015A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, rem
- CVE-2026-20014A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remot
- CVE-2026-20013A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, rem
- CVE-2026-20106A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance (A
- CVE-2026-20105A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Fi
- CVE-2026-20103A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Fi
- CVE-2026-20101A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an un
- CVE-2026-20100A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Softw
- CVE-2026-20003A vulnerability in the REST API of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct SQL injection attacks
- CVE-2026-20002A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, remote attacker to conduct
- CVE-2026-20131Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
- CVE-2026-20039Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service Vulnerability
- CVE-2026-20044Cisco Secure Firewall Management Center Command Injection Vulnerability