High severity7.5NVD Advisory· Published Oct 21, 2020· Updated Aug 11, 2026
CVE-2020-3317
CVE-2020-3317
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.
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Affected products
3(expand)+ 1 more
- (no CPE)
- (no CPE)range: n/a
- cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*Range: <6.4.0.10
Patches
Vulnerability mechanics
References
1News mentions
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