Improper input validation in Cisco Adaptive Security Appliance Software
CVE-2022-20715
A vulnerability in the remote access SSL 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 on an affected device. This vulnerability is due to improper validation of errors that are logged as a result of client connections that are made using remote access VPN. An attacker could exploit this vulnerability by sending crafted requests to an affected system. A successful exploit could allow the attacker to cause the affected device to restart, resulting in a DoS condition.
EPSS: 0.013 (67.4th 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)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-20715?
- CVE-2022-20715 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under CWE-399. CVSS score: 8.6/10. Published 2022-05-03.
- How severe is CVE-2022-20715?
- High severity. CVSS v3 base score is 8.6 out of 10.