CVE-2020-3317

Cisco Firepower Threat Defense Software SSL Input Validation Denial of Service Vulnerability

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory cisco.com
Affected: Cisco Cisco Firepower Threat Defense Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-mf3822Z vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3317?
CVE-2020-3317 has been scored as a high severity vulnerability.
How to fix CVE-2020-3317?
To fix CVE-2020-3317, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3317 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3317 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3317?
CVE-2020-3317 affects Cisco Cisco Firepower Threat Defense Software.
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