#VU47942 Arbitrary file upload in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2020-3436

 

#VU47942 Arbitrary file upload in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2020-3436

Published: October 21, 2020 / Updated: October 27, 2020


Vulnerability identifier: #VU47942
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3436
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the affected software does not efficiently handle the writing of large files to specific folders on the local file system. A remote attacker can upload a malicious file and cause a denial of service (DoS) condition on the target system.


Remediation

Install updates from vendor's website.

External links