CVE-2022-20760Uncontrolled Resource Consumption in Cisco Adaptive Security Appliance Software

Severity
7.5HIGHNVD
CNA8.6
EPSS
2.6%
top 14.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 3
Latest updateMay 4

Description

A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending crafted DNS requests at a high rate to an affected device. A successful exploit could allow the attacker to

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

🔴Vulnerability Details

2
GHSA
GHSA-85xq-j9vf-c4j9: A vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could al2022-05-04
CVEList
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DNS Inspection Denial of Service Vulnerability2022-05-03

📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DNS Inspection Denial of Service Vulnerability2022-04-27
CVE-2022-20760 — Uncontrolled Resource Consumption | cvebase