5
CVSSv2

CVE-2019-1981

Published: 05/11/2019 Updated: 16/10/2020
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 5.8 | Impact Score: 1.4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

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 malicious user 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 malicious user to bypass filtering and deliver malicious payloads to protected systems that would otherwise be blocked.

Vulnerability Trend

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cisco firepower management center

cisco firepower management center 2.9.15

cisco firepower management center 2.9.16

cisco firepower services software for asa

cisco firepower threat defense

Vendor Advisories

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 ...