CVE-2019-1981 — Improper Input Validation in Cisco Firepower Threat Defense Software
Severity
5.8MEDIUMNVD
EPSS
0.4%
top 38.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 5
Latest updateMay 24
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 coul…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-55w6-hghf-mfpw: A vulnerability in the normalization functionality of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Fi↗2022-05-24
CVEList▶
Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulnerability↗2019-11-05
📋Vendor Advisories
1Cisco▶
Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulnerability↗2019-08-16