VYPR

Secure Firewall Adaptive Security Appliance Software

by Cisco Systems, Inc.

CVEs (43)

  • CVE-2025-20333CriKEVSep 25, 2025
    risk 0.80cvss 9.9epss 0.71

    A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability…

  • CVE-2026-20349HigKEVAug 11, 2026
    risk 0.68cvss 8.6epss 0.01

    A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting…

  • CVE-2025-20362MedKEVSep 25, 2025
    risk 0.61cvss 6.5epss 0.87

    Update: On November 5, 2025, Cisco became aware of a new attack variant against devices running Cisco Secure ASA Software or Cisco Secure FTD Software releases that are affected by CVE-2025-20333 and CVE-2025-20362. This attack can cause unpatched devices to unexpectedly reload,…

  • CVE-2025-20363CriSep 25, 2025
    risk 0.59cvss 9.0epss 0.07

    A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, remote attacker…

  • CVE-2026-20250HigSep 16, 2026
    risk 0.56cvss 8.6epss 0.01

    A vulnerability in Datagram TLS (DTLS) message handling of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated,…

  • CVE-2026-20249HigSep 16, 2026
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv2) for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote…

  • CVE-2026-20154HigSep 16, 2026
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization…

  • CVE-2026-20012HigMar 25, 2026
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote…

  • CVE-2026-20103HigMar 4, 2026
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of…

  • CVE-2026-20082HigMar 4, 2026
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to…

  • CVE-2026-20039HigMar 4, 2026
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. …

  • CVE-2025-20263HigAug 14, 2025
    risk 0.56cvss 8.6epss 0.01

    A vulnerability in the web services interface of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected system. …

  • CVE-2025-20239HigAug 14, 2025
    risk 0.56cvss 8.6epss 0.01

    A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance (ASA) Software, and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger…

  • CVE-2025-20222HigAug 14, 2025
    risk 0.56cvss 8.6epss 0.01

    A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS)…

  • CVE-2025-20136HigAug 14, 2025
    risk 0.56cvss 8.6epss 0.01

    A vulnerability in the function that performs IPv4 and IPv6 Network Address Translation (NAT) DNS inspection for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote…

  • CVE-2025-20134HigAug 14, 2025
    risk 0.56cvss 8.6epss 0.00

    A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a…

  • CVE-2025-20251HigAug 14, 2025
    risk 0.55cvss 8.5epss 0.00

    A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to create or delete arbitrary files on the underlying…

  • CVE-2026-20105HigMar 4, 2026
    risk 0.50cvss 7.7epss 0.00

    A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory…

  • CVE-2026-20100HigMar 4, 2026
    risk 0.50cvss 7.7epss 0.00

    A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with a valid VPN connection to cause…

  • CVE-2026-20049HigMar 4, 2026
    risk 0.50cvss 7.7epss 0.00

    A vulnerability in the processing of Galois/Counter Mode (GCM)-encrypted Internet Key Exchange version 2 (IKEv2) IPsec traffic of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an…

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