#VU15769 Security restrictions bypass in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2018-15443 

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Main Vulnerability Database Vulnerabilities #VU15769

#VU15769 Security restrictions bypass in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2018-15443

Published: November 7, 2018 / Updated: November 8, 2018


Vulnerability identifier: #VU15769
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-15443
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists in the detection engine due to incorrect TCP retransmission handling. A remote unauthenticated attacker can send a specially crafted TCP connection request through an affected device and bypass configured Intrusion Prevention System (IPS) rules and allow uninspected traffic onto the network.


Remediation

Update to version 6.2.3.6.

External links