Vulnerability in Cisco Adaptive Security Appliance Software
CVE-2023-20095
A vulnerability in the remote access VPN feature 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 handling of HTTPS requests. An attacker could exploit this vulnerability by sending crafted HTTPS requests to an affected system. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a DoS condition.
EPSS: 0.006 (48.3th 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 — versions 9.8.1, 9.8.1.5, 9.8.1.7
- Cisco Adaptive Security Appliance (Asa) Software — versions 9.8.1, 9.8.1.5, 9.8.1.7
- Cisco Firepower Threat Defense Software — versions 6.2.3, 6.2.3.1, 6.2.3.2
- Cisco Firepower_threat_defense — versions 6.2.3, 6.2.3.0, 6.2.3.1
- Cisco Secure_firewall_threat_defense — versions 6.2.3, 6.2.3.0, 6.2.3.1
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20095?
- CVE-2023-20095 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 8.6/10. Published 2023-11-01.
- How severe is CVE-2023-20095?
- High severity. CVSS v3 base score is 8.6 out of 10.