CVE-2019-1694
HIGHCisco ASA <9.4.4.34, >=9.5 <9.6.4.25 & FTD <6.2.3.12 - DoS via TCP Traffic
Title source: llmDescription
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
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-frpwrtd-dos
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