#VU12072 Protection mechanism failure in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2018-0254
Published: April 20, 2018
Vulnerability identifier: #VU12072
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0254
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote unauthenticated attacker to bypass security restrictions on the target system.
The weakness exists in the detection engine due to incorrect counting of the percentage of dropped traffic. A remote attacker can send network traffic and bypass configured file action policies if an Intelligent Application Bypass (IAB) with a drop percentage threshold is also configured.
The weakness exists in the detection engine due to incorrect counting of the percentage of dropped traffic. A remote attacker can send network traffic and bypass configured file action policies if an Intelligent Application Bypass (IAB) with a drop percentage threshold is also configured.
Remediation
Update to versions 6.2.0.4, 6.1.0.6, 6.2.3 or 6.2.2.2.