CVE-2022-20745

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Denial of Service Vulnerability

Description

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.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.54%
Vendor Advisory cisco.com
Affected: Cisco Cisco Adaptive Security Appliance (ASA) Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asafdt-webvpn-dos-tzPSYern vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-20745?
CVE-2022-20745 has been scored as a high severity vulnerability.
How to fix CVE-2022-20745?
To fix CVE-2022-20745, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-20745 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-20745 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-20745?
CVE-2022-20745 affects Cisco Cisco Adaptive Security Appliance (ASA) Software.
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