CVE-2025-20333: Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
EPSS70.6%No. 721 of 1739 in KEV
CVE year2025listed the same year
Same vendor in KEV100
Same product2
| Field | Value |
|---|---|
| Vendor | Cisco |
| Product | Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense |
| Name | Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability |
| Added to KEV | 2025-09-25 |
| US federal due date | 2025-09-26 |
| Ransomware use | Unknown |
| CWE | CWE-120 |
CISA description
Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2025-20362 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense | 2025-09-25 | 87.0% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2025-09-25.