CVE-2018-4030

HIGH

CUJO Smart Firewall 7003 - HTTP Request Smuggling via Host Header Parsing

Title source: llm
STIX 2.1

Description

An exploitable vulnerability exists the safe browsing function of the CUJO Smart Firewall, version 7003. The bug lies in the way the safe browsing function parses HTTP requests. The "Host" header is incorrectly extracted from captured HTTP requests, which would allow an attacker to visit any malicious websites and bypass the firewall. An attacker could send an HTTP request to exploit this vulnerability.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0702

Scores

CVSS v3 7.5
EPSS 0.0117
EPSS Percentile 63.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-444
Status published
Products (1)
getcujo/smart_firewall 7003
Published Mar 21, 2019
Tracked Since Feb 18, 2026