CVE-2020-3564

Medium

Description

A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass FTP inspection. The vulnerability is due to ineffective flow tracking of FTP traffic. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and successfully complete FTP connections.

SeverityMedium
CVSS5.3
Exploit probability—
ProductCisco Adaptive Security Appliance
PublishedOct 21, 2020
First seenOct 21, 2020

How to fix

Update
  • cisco adaptive_security_appliance9.6 or later
  • cisco secure_firewall_threat_defense6.3.0.6, 6.4.0.10, 6.5.0.5, 6.6.1 or later
  • cisco adaptive_security_appliance_software9.8.4.26, 9.9.2.80, 9.10.1.44, 9.12.4.4, 9.13.1.13, 9.14.1.19 or later

Affected products

ProductAffected versionsFixed in
cisco adaptive_security_appliancev < 9.69.6
cisco secure_firewall_threat_defensev < 6.3.0.6, 6.4.0 ≤ v < 6.4.0.10, 6.5.0 ≤ v < 6.5.0.5, 6.6.0 ≤ v < 6.6.16.3.0.6, 6.4.0.10, 6.5.0.5, 6.6.1
cisco adaptive_security_appliance_software9.8.0 ≤ v < 9.8.4.26, 9.9.0 ≤ v < 9.9.2.80, 9.10.0 ≤ v < 9.10.1.44, 9.12.0 ≤ v < 9.12.4.4, 9.13.0 ≤ v < 9.13.1.13, 9.14.0 ≤ v < 9.14.1.199.8.4.26, 9.9.2.80, 9.10.1.44, 9.12.4.4, 9.13.1.13, 9.14.1.19

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