CVE-2024-20353

Cisco says software vulnerability could let hackers crash firewalls

CVSS 8.6 high · Cisco Cisco Adaptive Security Appliance (ASA) Software · published 2024-04-24

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.

NVD · CVE.org

Coverage 1 source

1. 2026-08-12 Cybersecurity Dive high Cisco says software vulnerability could let hackers crash firewalls

   Cisco warns of software vulnerability in firewalls that could be exploited to cause a crash.

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