Vulnerability in Cisco Adaptive Security Appliance (Asa) Software
CVE-2025-20251
A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to create or de…
EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H.
Affected products
- Cisco Adaptive Security Appliance (Asa) Software — versions 9.12.3, 9.8.3, 9.12.1
- Cisco Firepower Threat Defense Software — versions 6.2.3.14, 6.4.0.1, 6.2.3.7
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-20251?
- CVE-2025-20251 is a high-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under CWE-1287. CVSS score: 8.5/10. Published 2025-08-14.
- How severe is CVE-2025-20251?
- High severity. CVSS v3 base score is 8.5 out of 10.