Input validation error in Cisco Firewall Threat Defense (FTD) - CVE-2020-3317
Published: October 21, 2020 / Updated: October 27, 2020
Vulnerability identifier: #VU47949
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3317
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the ssl_inspection component. A remote attacker can send a specially crafted TLS packet and cause a denial of service condition.
Affected software
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2020-3317
Install update from vendor's website.
Cisco Firewall Threat Defense (FTD) - addressed in versions 6.4.0.10, 6.5.0.5