CVE-2020-3452
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an improper input validation vulnerability when HTTP requests process URLs. An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device.
CISA Known Exploited Vulnerability
Vendor / Product
Cisco — Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Date Added
2021-11-03
Remediation Due
2022-05-03
https://nvd.nist.gov/vuln/detail/CVE-2020-3452
Affected Software (12)
| Vendor | Product | Version |
|---|---|---|
| cisco | adaptive_security_appliance_software | 9.6 – 9.6.4.42 |
| cisco | adaptive_security_appliance_software | 9.8 – 9.8.4.20 |
| cisco | adaptive_security_appliance_software | 9.9 – 9.9.2.74 |
| cisco | adaptive_security_appliance_software | 9.10 – 9.10.1.42 |
| cisco | adaptive_security_appliance_software | 9.12 – 9.12.3.12 |
| cisco | adaptive_security_appliance_software | 9.13 – 9.13.1.10 |
| cisco | adaptive_security_appliance_software | 9.14 – 9.14.1.10 |
| cisco | secure_firewall_threat_defense | 6.2.3 – 6.2.3.16 |
| cisco | secure_firewall_threat_defense | 6.3.0 – 6.3.0.6 |
| cisco | secure_firewall_threat_defense | 6.4.0 – 6.4.0.10 |
| cisco | secure_firewall_threat_defense | 6.5.0 – 6.5.0.5 |
| cisco | secure_firewall_threat_defense | 6.6.0 – 6.6.0.1 |
References & Advisories (6)
Vendor Advisory
US Government Resource
Third Party Advisory
VDB Entry
Exploit
Third Party Advisory
VDB Entry
Exploit
Third Party Advisory
VDB Entry
Exploit
Third Party Advisory
VDB Entry