CVE-2020-3303
HIGHCisco Adaptive Security Appliance and Firepower Threat Defense - Unauthenticated Denial of Service via IKEv1 Traffic
Title source: llmDescription
A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature 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. The vulnerability is due to improper management of system memory. An attacker could exploit this vulnerability by sending malicious IKEv1 traffic to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-BqYFRJt9
Scores
CVSS v3
7.5
EPSS
0.0046
EPSS Percentile
64.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-399
CWE-400
Status
published
Products (3)
cisco/adaptive_security_appliance
< 9.6.4.36
cisco/adaptive_security_appliance_software
9.7 - 9.8.4.10
cisco/firepower_threat_defense
< 6.3.0.5
Published
May 06, 2020
Tracked Since
Feb 18, 2026