What is CVE-2022-20745?

CVE-2022-20745 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2022-05-03.

How severe is CVE-2022-20745?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Cisco Adaptive Security Appliance Software

CVE-2022-20745

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Adaptive_security_appliance_software
Cisco Adaptive Security Appliance (Asa) Software — versions n/a
Cisco Firepower_threat_defense — versions 7.1.0
Cisco Secure_firewall_threat_defense — versions 7.1.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20745?: CVE-2022-20745 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2022-05-03.
How severe is CVE-2022-20745?: High severity. CVSS v3 base score is 8.6 out of 10.