CVE-2019-1981
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.
Risk Information
Base Score
5.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS Score
Exploitation Probability
0.405
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulnerability For Cisco Firepower Management Center | NCM |
| Improper Input Validation Vulnerability (CVE-2019-1981) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1700780 | Security Update for Cisco Firepower Management Center 6.7.0 |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234