Buffer overflow in Cisco Adaptive Security Appliance (Asa) Software
CVE-2025-20182
A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol processing of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allo…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (53.1th 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 (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)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-20182?
- CVE-2025-20182 is a high-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Out-of-bounds Write. CVSS score: 8.6/10. Published 2025-05-07.
- How severe is CVE-2025-20182?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2025-20182 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.