CVE-2019-12698
HIGHCisco ASA & FTD Unauthenticated DoS via WebVPN HTTP Request
Title source: llmDescription
A vulnerability in the WebVPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing load for a specific WebVPN HTTP page request. An attacker could exploit this vulnerability by sending multiple WebVPN HTTP page load requests for a specific URL. A successful exploit could allow the attacker to increase CPU load on the device, resulting in a denial of service (DoS) condition, which could cause traffic to be delayed through the device.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-asa-ftd-dos
Scores
CVSS v3
7.5
EPSS
0.0197
EPSS Percentile
77.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (3)
cisco/adaptive_security_appliance
< 9.6.4.31
cisco/adaptive_security_appliance_software
9.7 - 9.8.4.9
cisco/firepower_threat_defense
< 6.2.3.15
Published
Oct 02, 2019
Tracked Since
Feb 18, 2026