CVE-2022-20745 HIGH

CVE-2022-20745: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Denial of Service Vulnerability

Vendor Cisco
Product Cisco Adaptive Security Appliance (ASA) Software
Weakness CWE-20 · Input validation
Published May 3, 2022
Last update November 6, 2024

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability in the web services interface for remote access VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a crafted HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Key dates

02Disclosure timeline

May 3, 2022 CVE published
November 6, 2024 Record updated