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

🗓️ 14 Aug 2025 16:00:00Reported by CiscoType

cisco

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IKEv2 DoS flaws in Cisco IOS, IOS XE, ASA, FTD; unauthenticated remote DoS; updates and workarounds.

Reporter	Title	Published	Views	Family All 61
BDU FSTEC	The vulnerability of the Internet Key Exchange (IKEv2) key exchange function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to induce a service failure.	27 Aug 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Internet Key Exchange (IKEv2) key exchange function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD), as well as in Cisco IOS and Cisco IOS XE operating systems, allows a attacker to cause a service failure.	27 Aug 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Internet Key Exchange (IKEv2) key exchange function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD), as well as in Cisco IOS and Cisco IOS XE operating systems, allows a attacker to cause a service failure.	27 Aug 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.	12 Sep 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.	12 Sep 202500:00	–	bdu_fstec
BDU FSTEC	The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.	12 Sep 202500:00	–	bdu_fstec
Circl	CVE-2025-20224	15 Aug 202511:00	–	circl
Circl	CVE-2025-20225	15 Aug 202511:00	–	circl
Circl	CVE-2025-20239	14 Aug 202519:12	–	circl
Circl	CVE-2025-20252	14 Aug 202517:02	–	circl

Source	Link
sec	www.sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-ios-dos-DOESHWHy

14 Aug 2025 16:00Current

7.4High risk

Vulners AI Score7.4

EPSS0.0063

internet key exchange denial of service cisco network software august 2025 advisory software updates remote attacker