Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability

🗓️ 25 Mar 2026 16:00:00Reported by CiscoType

IKEv2 parsing flaw in Cisco IOS and related software may cause memory leak and denial of service.

Reporter	Title	Published	Views	Family All 15
BDU FSTEC	The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco IOS operating systems, as well as in the Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) network devices, allows attackers to induce service interruptions.	30 Mar 202600:00	–	bdu_fstec
Circl	CVE-2026-20012	25 Mar 202617:26	–	circl
Tenable Nessus	Cisco Secure Firewall Adaptive Security Appliance Software IKEv2 DoS (cisco-sa-asa-ftd-ios-dos-kPEpQGGK)	3 Apr 202600:00	–	nessus
Tenable Nessus	Cisco Secure Firewall Threat Defense Software IKEv2 DoS (cisco-sa-asa-ftd-ios-dos-kPEpQGGK)	3 Apr 202600:00	–	nessus
Tenable Nessus	Cisco IOS Software IKEv2 DoS (cisco-sa-asa-ftd-ios-dos-kPEpQGGK)	3 Apr 202600:00	–	nessus
Tenable Nessus	Cisco IOS XE Software IKEv2 DoS (cisco-sa-asa-ftd-ios-dos-kPEpQGGK)	3 Apr 202600:00	–	nessus
CNNVD	Cisco多款产品安全漏洞	25 Mar 202600:00	–	cnnvd
CVE	CVE-2026-20012	25 Mar 202616:03	–	cve
Cvelist	CVE-2026-20012	25 Mar 202616:03	–	cvelist
EUVD	EUVD-2026-15428	25 Mar 202618:31	–	euvd