Firetruck

CVE-2020-3452

KEV
Updated Oct 21, 2025 · PUBLISHED
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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.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Cisco Adaptive Security Appliance (ASA) SoftwareCisco / Cisco Adaptive Security Appliance (ASA) Software>= unspecified, < 9.6.4.42affected
Cisco Adaptive Security Appliance (ASA) SoftwareCisco / Cisco Adaptive Security Appliance (ASA) Software>= unspecified, < 9.8.4.20affected
Cisco Adaptive Security Appliance (ASA) SoftwareCisco / Cisco Adaptive Security Appliance (ASA) Software>= unspecified, < 9.9.2.74affected
Cisco Adaptive Security Appliance (ASA) SoftwareCisco / Cisco Adaptive Security Appliance (ASA) Software>= unspecified, < 9.10.1.42affected
Cisco Adaptive Security Appliance (ASA) SoftwareCisco / Cisco Adaptive Security Appliance (ASA) Software>= unspecified, < 9.13.1.10affected
Cisco Adaptive Security Appliance (ASA) SoftwareCisco / Cisco Adaptive Security Appliance (ASA) Software>= unspecified, < 9.14.1.10affected