CVE-2020-3317
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Cisco Secure Firewall Threat Defense
PublishedOct 21, 2020
First seenOct 21, 2020
Weakness typeCWE-20Improper input validation
How to fix
Update
- cisco secure_firewall_threat_defense6.4.0.10, 6.5.0.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco secure_firewall_threat_defense | v < 6.4.0.10, 6.5.0 ≤ v < 6.5.0.5 | 6.4.0.10, 6.5.0.5 |
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