CVE-2019-1982
MEDIUMCisco Firepower HTTP Filter Bypass via Malicious Headers
Title source: llmDescription
A vulnerability in the HTTP traffic filtering component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to improper handling of HTTP requests, including those communicated over a secure HTTPS connection, that contain maliciously crafted headers. An attacker could exploit this vulnerability by sending malicious requests to an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems, allowing attackers to deliver malicious content that would otherwise be blocked.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190816-ftd-http
Scores
CVSS v3
5.3
EPSS
0.0097
EPSS Percentile
57.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-264
CWE-276
Status
published
Products (5)
cisco/firepower_services_software_for_asa
cisco/firepower_threat_defense
cisco/secure_firewall_management_center
2.9.13
cisco/secure_firewall_management_center
2.9.14.0
cisco/secure_firewall_management_center
3.0.0
Published
Nov 05, 2019
Tracked Since
Feb 18, 2026