What is CVE-2020-3317?

CVE-2020-3317 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-10-21.

How severe is CVE-2020-3317?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Cisco Firepower Threat Defense Software

CVE-2020-3317

A vulnerability in the ssl_inspection component of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to crash Snort instances. The vulnerability is due to insufficient input validation in the ssl_inspection component. An attacker could exploit this vulnerability by sending a malformed TLS packet through a Cisco Adaptive Security Appliance (ASA). A successful exploit could allow the attacker to crash a Snort instance, resulting in a denial of service (DoS) condition.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (58.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Firepower Threat Defense Software — versions n/a
Cisco Firepower_threat_defense
Cisco Secure_firewall_threat_defense

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3317?: CVE-2020-3317 is a high-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-10-21.
How severe is CVE-2020-3317?: High severity. CVSS v3 base score is 7.5 out of 10.