Cisco Adaptive Security Appliance Asa Software (Cisco) - vulnerabilities (CVEs)

159 CVEs, 0 in the last 30 days, 259 known versions, newest CVE from 2025-09-25. Vendor: Cisco.

CVEs of Cisco Adaptive Security Appliance Asa Software

CVE-2025-20363 - CVSS 9 (critical), 2025-09-25: A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software,…
CVE-2025-20263 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the web services interface of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense…
CVE-2025-20254 - CVSS 5.8 (medium), 2025-08-14: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall…
CVE-2025-20252 - CVSS 5.8 (medium), 2025-08-14: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall…
CVE-2025-20251 - CVSS 8.5 (high), 2025-08-14: A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat…
CVE-2025-20244 - CVSS 7.7 (high), 2025-08-14: A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat…
CVE-2025-20253 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an…
CVE-2025-20243 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote…
CVE-2025-20239 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance…
CVE-2025-20238 - CVSS 6 (medium), 2025-08-14: A vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an…
CVE-2025-20237 - CVSS 6 (medium), 2025-08-14: A vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an…
CVE-2025-20225 - CVSS 5.8 (medium), 2025-08-14: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance…
CVE-2025-20224 - CVSS 5.8 (medium), 2025-08-14: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall…
CVE-2025-20136 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the function that performs IPv4 and IPv6 Network Address Translation (NAT) DNS inspection for Cisco Secure Firewall Adaptive Security…
CVE-2025-20219 - CVSS 5.3 (medium), 2025-08-14: A vulnerability in the implementation of access control rules for loopback interfaces in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and…
CVE-2025-20133 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the management and VPN web servers of the Remote Access SSL VPN feature of Cisco Secure Firewall ASA Software and Secure FTD Software could…
CVE-2025-20135 - CVSS 4.3 (medium), 2025-08-14: A vulnerability in the DHCP client functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense…
CVE-2025-20134 - CVSS 8.6 (high), 2025-08-14: A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense…
CVE-2025-20127 - CVSS 7.7 (high), 2025-08-14: A vulnerability in the TLS 1.3 implementation for a specific cipher for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure…
CVE-2025-20182 - CVSS 8.6 (high), 2025-05-07: A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol processing of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat…
CVE-2021-1444 - CVSS 6.1 (medium), 2024-11-18: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2020-27124 - CVSS 8.6 (high), 2024-11-18: A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the…
CVE-2024-20526 - CVSS 5.3 (medium), 2024-10-23: A vulnerability in the SSH server of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause a denial of…
CVE-2024-20495 - CVSS 8.6 (high), 2024-10-23: A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2024-20494 - CVSS 8.6 (high), 2024-10-23: A vulnerability in the TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2024-20493 - CVSS 5.3 (medium), 2024-10-23: A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco…
CVE-2024-20485 - CVSS 6.7 (medium), 2024-10-23: A vulnerability in the VPN web server of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2024-20481 - CVSS 5.8 (medium), 2024-10-23: A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2024-20426 - CVSS 8.6 (high), 2024-10-23: A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol for VPN termination of Cisco Adaptive Security Appliance (ASA) Software and Cisco…
CVE-2024-20408 - CVSS 7.7 (high), 2024-10-23: A vulnerability in the Dynamic Access Policies (DAP) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD)…
CVE-2024-20402 - CVSS 8.6 (high), 2024-10-23: A vulnerability in the SSL VPN feature for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2024-20384 - CVSS 5.8 (medium), 2024-10-23: A vulnerability in the Network Service Group (NSG) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD)…
CVE-2024-20382 - CVSS 6.1 (medium), 2024-10-23: A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2024-20370 - CVSS 6 (medium), 2024-10-23: A vulnerability in the Cisco FXOS CLI feature on specific hardware platforms for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2024-20341 - CVSS 6.1 (medium), 2024-10-23: A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2024-20329 - CVSS 9.9 (critical), 2024-10-23: A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to execute operating…
CVE-2024-20331 - CVSS 6.8 (medium), 2024-10-23: A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco…
CVE-2024-20299 - CVSS 5.8 (medium), 2024-10-23: A vulnerability in the AnyConnect firewall for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
CVE-2024-20297 - CVSS 5.8 (medium), 2024-10-23: A vulnerability in the AnyConnect firewall for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
CVE-2024-20268 - CVSS 7.7 (high), 2024-10-23: A vulnerability in the Simple Network Management Protocol (SNMP) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2024-20443 - CVSS 5.4 (medium), 2024-08-07: A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to conduct an XSS attack against a user of…
CVE-2024-20355 - CVSS 5 (medium), 2024-05-22: A vulnerability in the implementation of SAML 2.0 single sign-on (SSO) for remote access VPN services in Cisco Adaptive Security Appliance (ASA) Software and…
CVE-2024-20293 - CVSS 5.8 (medium), 2024-05-22: A vulnerability in the activation of an access control list (ACL) on Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD)…
CVE-2024-20359 - CVSS 6 (medium), 2024-04-24: A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins and that has been available in Cisco Adaptive Security…
CVE-2024-20353 - CVSS 8.6 (high), 2024-04-24: A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2023-20275 - CVSS 4.3 (medium), 2023-12-12: A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2023-20264 - CVSS 6.1 (medium), 2023-11-01: A vulnerability in the implementation of Security Assertion Markup Language (SAML) 2.0 single sign-on (SSO) for remote access VPN in Cisco Adaptive Security…
CVE-2023-20247 - CVSS 5 (medium), 2023-11-01: A vulnerability in the remote access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2023-20095 - CVSS 8.6 (high), 2023-11-01: A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2023-20042 - CVSS 8.6 (high), 2023-11-01: A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2023-20086 - CVSS 8.6 (high), 2023-11-01: A vulnerability in ICMPv6 processing of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2023-20256 - CVSS 5.8 (medium), 2023-11-01: Multiple vulnerabilities in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD)…
CVE-2023-20245 - CVSS 5.8 (medium), 2023-11-01: Multiple vulnerabilities in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD)…
CVE-2023-20269 - CVSS 9.1 (critical), 2023-09-06: A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2023-20234 - CVSS 6 (medium), 2023-08-23: A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or overwrite any file on the filesystem of an…
CVE-2023-20006 - CVSS 8.6 (high), 2023-06-28: A vulnerability in the hardware-based SSL/TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2023-20107 - CVSS 7.5 (high), 2023-03-23: A vulnerability in the deterministic random bit generator (DRBG), also known as pseudorandom number generator (PRNG), in Cisco Adaptive Security Appliance…
CVE-2022-20947 - CVSS 8.6 (high), 2022-11-15: A vulnerability in dynamic access policies (DAP) functionality of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software…
CVE-2022-20927 - CVSS 7.7 (high), 2022-11-15: A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2022-20928 - CVSS 5.8 (medium), 2022-11-15: A vulnerability in the authentication and authorization flows for VPN connections in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat…
CVE-2022-20924 - CVSS 7.7 (high), 2022-11-15: A vulnerability in the Simple Network Management Protocol (SNMP) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2022-20826 - CVSS 6.8 (medium), 2022-11-15: A vulnerability in the secure boot implementation of Cisco Secure Firewalls 3100 Series that are running Cisco Adaptive Security Appliance (ASA) Software or…
CVE-2022-20866 - CVSS 7.5 (high), 2022-08-10: A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD)…
CVE-2022-20713 - CVSS 6.1 (medium), 2022-08-10: A vulnerability in the VPN web client services component of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2022-20829 - CVSS 9.1 (critical), 2022-06-24: A vulnerability in the packaging of Cisco Adaptive Security Device Manager (ASDM) images and the validation of those images by Cisco Adaptive Security…
CVE-2022-20742 - CVSS 7.4 (high), 2022-05-03: A vulnerability in an IPsec VPN library of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2022-20760 - CVSS 8.6 (high), 2022-05-03: A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an…
CVE-2022-20737 - CVSS 8.5 (high), 2022-05-03: A vulnerability in the handler for HTTP authentication for resources accessed through the Clientless SSL VPN portal of Cisco Adaptive Security Appliance (ASA)…
CVE-2022-20759 - CVSS 8.8 (high), 2022-05-03: A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2022-20715 - CVSS 8.6 (high), 2022-05-03: A vulnerability in the remote access SSL VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2022-20745 - CVSS 8.6 (high), 2022-05-03: A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2022-20795 - CVSS 7.5 (high), 2022-04-21: A vulnerability in the implementation of the Datagram TLS (DTLS) protocol in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2021-34783 - CVSS 8.6 (high), 2021-10-27: A vulnerability in the software-based SSL/TLS message handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software…
CVE-2021-34791 - CVSS 5.3 (medium), 2021-10-27: Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA)…
CVE-2021-34794 - CVSS 5.3 (medium), 2021-10-27: A vulnerability in the Simple Network Management Protocol version 3 (SNMPv3) access control functionality of Cisco Adaptive Security Appliance (ASA) Software…
CVE-2021-40125 - CVSS 6.5 (medium), 2021-10-27: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2021-34781 - CVSS 8.6 (high), 2021-10-27: A vulnerability in the processing of SSH connections for multi-instance deployments of Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2021-34790 - CVSS 5.3 (medium), 2021-10-27: Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA)…
CVE-2021-34793 - CVSS 8.6 (high), 2021-10-27: A vulnerability in the TCP Normalizer of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software operating in transparent…
CVE-2021-40118 - CVSS 8.6 (high), 2021-10-27: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2021-34787 - CVSS 5.3 (medium), 2021-10-27: A vulnerability in the identity-based firewall (IDFW) rule processing feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat…
CVE-2021-34792 - CVSS 8.6 (high), 2021-10-27: A vulnerability in the memory management of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an…
CVE-2021-40117 - CVSS 8.6 (high), 2021-10-27: A vulnerability in SSL/TLS message handler for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
CVE-2021-1422 - CVSS 7.7 (high), 2021-07-16: A vulnerability in the software cryptography module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2021-1585 - CVSS 8.1 (high), 2021-07-08: A vulnerability in the Cisco Adaptive Security Device Manager (ASDM) Launcher could allow an unauthenticated, remote attacker to execute arbitrary code on a…
CVE-2021-1488 - CVSS 6.7 (medium), 2021-04-29: A vulnerability in the upgrade process of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an…
CVE-2021-1504 - CVSS 8.6 (high), 2021-04-29: Multiple vulnerabilities in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated,…
CVE-2021-1476 - CVSS 6.7 (medium), 2021-04-29: A vulnerability in the CLI of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated,…
CVE-2021-1501 - CVSS 8.6 (high), 2021-04-29: A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
CVE-2021-1493 - CVSS 8.5 (high), 2021-04-29: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2021-1445 - CVSS 8.6 (high), 2021-04-29: Multiple vulnerabilities in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated,…
CVE-2020-3599 - CVSS 6.1 (medium), 2020-10-21: A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to…
CVE-2020-3578 - CVSS 6.5 (medium), 2020-10-21: A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2020-3582 - CVSS 6.1 (medium), 2020-10-21: Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2020-3572 - CVSS 8.6 (high), 2020-10-21: A vulnerability in the SSL/TLS session handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could…
CVE-2020-3581 - CVSS 6.1 (medium), 2020-10-21: Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2020-3585 - CVSS 5.3 (medium), 2020-10-21: A vulnerability in the TLS handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower…
CVE-2020-3564 - CVSS 5.8 (medium), 2020-10-21: A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
CVE-2020-3580 - CVSS 6.1 (medium), 2020-10-21: Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…
CVE-2020-3583 - CVSS 6.1 (medium), 2020-10-21: Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software…