CVE-2019-1981

 

Published at: - 05-11-2019 09:15

Last modified: - 21-11-2022 03:37

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

 

Verification logic

 

Reference

• 20190816 Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulnerability-Vendor Advisory

 

Keywords

NVD

 

CVE-2019-1981

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures