CVE-2024-20426
HIGH EPSS 41.4%
Published Oct 23, 20241y ago · Modified Jun 17, 20262w ago
8.6 CVSS 3.1
Published Oct 23, 2024 1y ago
Last Modified Jun 17, 2026 2w ago
Description
A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol for VPN termination of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted IKEv2 traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
41.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-476 NULL Pointer Dereference Memory Safety
Affected Products 54
| Vendor | Product | Version | Range |
|---|---|---|---|
| cisco | adaptive_security_appliance_software | 9.18.1 | any |
| cisco | adaptive_security_appliance_software | 9.18.1.3 | any |
| cisco | adaptive_security_appliance_software | 9.18.2 | any |
| cisco | adaptive_security_appliance_software | 9.18.2.5 | any |
| cisco | adaptive_security_appliance_software | 9.18.2.7 | any |
| cisco | adaptive_security_appliance_software | 9.18.2.8 | any |
| cisco | adaptive_security_appliance_software | 9.18.3 | any |
| cisco | adaptive_security_appliance_software | 9.18.3.39 | any |
| cisco | adaptive_security_appliance_software | 9.18.3.46 | any |
| cisco | adaptive_security_appliance_software | 9.18.3.53 | any |
| cisco | adaptive_security_appliance_software | 9.18.3.55 | any |
| cisco | adaptive_security_appliance_software | 9.18.3.56 | any |
| cisco | adaptive_security_appliance_software | 9.18.4 | any |
| cisco | adaptive_security_appliance_software | 9.18.4.5 | any |
| cisco | adaptive_security_appliance_software | 9.18.4.8 | any |
| cisco | adaptive_security_appliance_software | 9.18.4.22 | any |
| cisco | adaptive_security_appliance_software | 9.18.4.24 | any |
| cisco | adaptive_security_appliance_software | 9.18.4.29 | any |
| cisco | adaptive_security_appliance_software | 9.19.1 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.5 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.9 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.12 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.18 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.22 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.24 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.27 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.28 | any |
| cisco | adaptive_security_appliance_software | 9.19.1.31 | any |
| cisco | adaptive_security_appliance_software | 9.20.1 | any |
| cisco | adaptive_security_appliance_software | 9.20.1.5 | any |
| cisco | adaptive_security_appliance_software | 9.20.2 | any |
| cisco | adaptive_security_appliance_software | 9.20.2.10 | any |
| cisco | adaptive_security_appliance_software | 9.20.2.21 | any |
| cisco | firepower_threat_defense_software | 7.2.0 | any |
| cisco | firepower_threat_defense_software | 7.2.0.1 | any |
| cisco | firepower_threat_defense_software | 7.2.1 | any |
| cisco | firepower_threat_defense_software | 7.2.2 | any |
| cisco | firepower_threat_defense_software | 7.2.3 | any |
| cisco | firepower_threat_defense_software | 7.2.4 | any |
| cisco | firepower_threat_defense_software | 7.2.4.1 | any |
| cisco | firepower_threat_defense_software | 7.2.5 | any |
| cisco | firepower_threat_defense_software | 7.2.5.1 | any |
| cisco | firepower_threat_defense_software | 7.2.5.2 | any |
| cisco | firepower_threat_defense_software | 7.2.6 | any |
| cisco | firepower_threat_defense_software | 7.2.7 | any |
| cisco | firepower_threat_defense_software | 7.2.8 | any |
| cisco | firepower_threat_defense_software | 7.2.8.1 | any |
| cisco | firepower_threat_defense_software | 7.3.0 | any |
| cisco | firepower_threat_defense_software | 7.3.1 | any |
| cisco | firepower_threat_defense_software | 7.3.1.1 | any |
| cisco | firepower_threat_defense_software | 7.3.1.2 | any |
| cisco | firepower_threat_defense_software | 7.4.0 | any |
| cisco | firepower_threat_defense_software | 7.4.1 | any |
| cisco | firepower_threat_defense_software | 7.4.1.1 | any |
References 1
- sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-9FgEyHsF
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.