CVE-2026-20014: High severity Cisco Secure Firewall ASA Software vulnerability
A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentials to cause a DoS condition on an affected device that may also impact the availability of services to devices elsewhere in the network. This vulnerability is due to the improper processing of IKEv2 packets. An attacker could exploit this vulnerability by sending crafted, authenticated IKEv2 packets to an affected device. A successful exploit could allow the attacker to exhaust memory, causing the device to reload.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-20014?
CVE-2026-20014 is classified as a critical severity vulnerability due to its potential to cause a DoS condition.
How do I fix CVE-2026-20014?
To fix CVE-2026-20014, users should upgrade to the latest version of Cisco Secure Firewall ASA Software or Cisco Secure FTD Software as recommended by Cisco.
What systems are affected by CVE-2026-20014?
CVE-2026-20014 affects Cisco Secure Firewall ASA Software and Cisco Secure FTD Software.
Can CVE-2026-20014 be exploited remotely?
Yes, CVE-2026-20014 can be exploited by authenticated remote attackers with valid VPN user credentials.
What are the consequences of exploiting CVE-2026-20014?
Exploiting CVE-2026-20014 could result in a denial of service condition, impacting the availability of services on the affected device.