CVE-2024-20353

HIGH KEV RANSOMWARE

Cisco ASA/FTD - DoS

Title source: llm

Description

A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to incomplete error checking when parsing an HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted web server on a device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.

Scores

CVSS v3 8.6
EPSS 0.1954
EPSS Percentile 95.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Details

CISA KEV 2024-04-24
VulnCheck KEV 2024-04-24
InTheWild.io 2024-04-24
ENISA EUVD EUVD-2024-18068
Ransomware Use Confirmed
CWE
CWE-835
Status published
Products (50)
cisco/adaptive_security_appliance_software 9.8.1
cisco/adaptive_security_appliance_software 9.8.1.5
cisco/adaptive_security_appliance_software 9.8.1.7
cisco/adaptive_security_appliance_software 9.8.2
cisco/adaptive_security_appliance_software 9.8.2.8
cisco/adaptive_security_appliance_software 9.8.2.14
cisco/adaptive_security_appliance_software 9.8.2.15
cisco/adaptive_security_appliance_software 9.8.2.17
cisco/adaptive_security_appliance_software 9.8.2.20
cisco/adaptive_security_appliance_software 9.8.2.24
... and 40 more
Published Apr 24, 2024
KEV Added Apr 24, 2024
Tracked Since Feb 18, 2026