7.5
CVSSv3

CVE-2020-3317

Published: 21/10/2020 Updated: 22/09/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

A vulnerability in the ssl_inspection component of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote malicious user 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 malicious user to crash a Snort instance, resulting in a denial of service (DoS) condition.

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cisco firepower threat defense

Vendor Advisories

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 ...