CVE-2024-20353

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 atta

Severity
High 8.6
CVSS 3.1
Exploited
Yes — in CISA KEV
Added Apr 24, 2024
EPSS
0.707
99.3th percentile
Discovered by
Third party
Published by the vendor
Published
Apr 24, 2024
Assigned by cisco

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.

Weakness: CWE-835

Affected products

Vendor Product Category Matched by
Cisco Cisco Adaptive Security Appliance (ASA) Firewall / NGFW cna-assigner
Cisco Cisco Firepower Threat Defense (FTD) Firewall / NGFW cna-assigner
Vendor-reported affected versions (20)
  • Cisco · Cisco Adaptive Security Appliance (ASA) Software
  • Cisco · Cisco Firepower Threat Defense Software
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · asa
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software
  • cisco · firepower_threat_defense_software