CVE-2020-3452
Description
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and read sensitive files on a targeted system. The vulnerability is due to a lack of proper input validation of URLs in HTTP requests processed by an affected device. 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. The web services file system is enabled when the affected device is configured with either WebVPN or AnyConnect features. This vulnerability cannot be used to obtain access to ASA or FTD system files or underlying operating system (OS) files.
How to fix
Apply updates per vendor instructions.
CISA due date: May 3, 2022- cisco adaptive_security_appliance_software9.6.4.42, 9.8.4.20, 9.9.2.74, 9.10.1.42, 9.12.3.12, 9.13.1.10, 9.14.1.10 or later
- cisco secure_firewall_threat_defense6.2.3.16, 6.3.0.6, 6.4.0.10, 6.5.0.5, 6.6.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco adaptive_security_appliance_software | 9.6 ≤ v < 9.6.4.42, 9.8 ≤ v < 9.8.4.20, 9.9 ≤ v < 9.9.2.74, 9.10 ≤ v < 9.10.1.42, 9.12 ≤ v < 9.12.3.12, 9.13 ≤ v < 9.13.1.10, 9.14 ≤ v < 9.14.1.10 | 9.6.4.42, 9.8.4.20, 9.9.2.74, 9.10.1.42, 9.12.3.12, 9.13.1.10, 9.14.1.10 |
| cisco secure_firewall_threat_defense | 6.2.3 ≤ v < 6.2.3.16, 6.3.0 ≤ v < 6.3.0.6, 6.4.0 ≤ v < 6.4.0.10, 6.5.0 ≤ v < 6.5.0.5, 6.6.0 ≤ v < 6.6.0.1 | 6.2.3.16, 6.3.0.6, 6.4.0.10, 6.5.0.5, 6.6.0.1 |
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Attack Surface Management
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