CVE-2021-1573

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger 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 malicious HTTPS request to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Score

CVSS 3.1 8.6 High

Status

Modified - psirt@cisco.com

Published

2022-01-11

Last modified

2024-11-06

Weaknesses

CWE-121, CWE-787

Affected products

• Adaptive Security Appliance (Cisco)
• Adaptive Security Appliance Software (Cisco)
• Cisco Adaptive Security Appliance Software (Cisco)
• Cisco Firepower Threat Defense Software (Cisco)
• Secure Firewall Threat Defense (Cisco)

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asafdt-webvpn-dos-KSqJAKPA