CVE-2019-1982

MEDIUM

Cisco Firepower HTTP Filter Bypass via Malicious Headers

Title source: llm
STIX 2.1

Description

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

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