CVE-2019-1694

HIGH

Cisco ASA <9.4.4.34, >=9.5 <9.6.4.25 & FTD <6.2.3.12 - DoS via TCP Traffic

Title source: llm
STIX 2.1

Description

A vulnerability in the TCP processing engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to the improper handling of TCP traffic. An attacker could exploit this vulnerability by sending a specific sequence of packets at a high rate through an affected device. A successful exploit could allow the attacker to temporarily disrupt traffic through the device while it reboots.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/108160

Scores

CVSS v3 8.6
EPSS 0.0252
EPSS Percentile 82.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (3)
cisco/adaptive_security_appliance_software < 9.4.4.34
cisco/adaptive_security_appliance_software 9.5 - 9.6.4.25
cisco/firepower_threat_defense < 6.2.3.12
Published May 03, 2019
Tracked Since Feb 18, 2026