CVE-2020-3304

HIGH

Cisco Adaptive Security Appliance and Firepower Threat Defense - Unauthenticated Denial of Service via HTTP Request

Title source: llm
STIX 2.1

Description

A vulnerability in the web interface of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. An exploit could allow the attacker to cause a DoS condition. Note: This vulnerability applies to IP Version 4 (IPv4) and IP Version 6 (IPv6) HTTP traffic.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0050
EPSS Percentile 66.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20 CWE-400
Status published
Products (3)
cisco/adaptive_security_appliance < 9.6.4.45
cisco/adaptive_security_appliance_software 9.8.0 - 9.8.4.22
cisco/firepower_threat_defense < 6.3.0.6
Published Oct 21, 2020
Tracked Since Feb 18, 2026