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MEDIUM

Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulnerability

Published Nov 5, 2019

Description

A vulnerability in the normalization functionality 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 insufficient normalization of a text-based payload. An attacker could exploit this vulnerability by sending traffic that contains specifically obfuscated payloads through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious payloads to protected systems that would otherwise be blocked.

Affected products

Remediation

No remediation recorded yet.

Metrics

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Nov 5, 2019
Updated Nov 19, 2024
Reserved Dec 6, 2018
CISA Vulnrichment
Updated Nov 19, 2024
NVD
Status Modified
Modified Aug 11, 2026
Red Hat
Severity n/a
Public date n/a