Input validation error in Cisco Firewall Threat Defense (FTD) - CVE-2020-3317

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Main Vulnerability Database Vulnerabilities #VU47949

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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-3317
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Firewall Threat Defense (FTD)

Detailed vulnerability description

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.


How to mitigate CVE-2020-3317

Install update from vendor's website.

Sources