8.6highHigh
CVE-2022-20745
Cisco Secure Firewall Threat Defense
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.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 8.6 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H- Weakness
- CWE-20
- Assigned by
- psirt@cisco.com
Dates
- Published
- 2022-05-03
- Last modified
- 2026-08-11
- Sources
- NVD
Affected products
- Cisco Secure Firewall Threat Defense- 6.4.0.15, 6.5.0 - 6.6.5.2, 7.0.0 - 7.0.2, 7.1.0
- Cisco Adaptive Security Appliance Software- 9.12.4.38, 9.13.0 - 9.14.4, 9.15.0 - 9.15.1.21, 9.16.0 - 9.16.2.14, 9.17.0 - 9.17.1.7
As listed in the NVD configuration data. Not a statement about your estate.