NetSight
medium5.8

CVE-2019-1981

A vulnerability in the normalization functionality of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower M…

Impact

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

VendorProductAffected versions
CiscoFirepower Services Software For Asa
All versions
CiscoSecure Firewall Management Center
from 2.9.12 through 2.9.12.15
from 2.9.13 through 2.9.13.6
from 2.9.14.0 through 2.9.14.5
Versions 2.9.15, 2.9.16
CiscoSecure Firewall Threat Defense
All versions

Weakness classification

References