Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-40125

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. This vulnerability is due to improper control of a resource. An attacker with the ability to spoof a trusted IKEv2 site-to-site VPN peer and in possession of valid IKEv2 credentials for that peer could exploit this vulnerability by sending malformed, authenticated IKEv2 messages to an affected device. A successful exploit could allow the attacker to trigger a reload of the device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 55.3%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 6.3
Products affected by CVE-2021-40125


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