Filtering bypass in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC) - CVE-2017-6674
Published: May 25, 2017
Vulnerability identifier: #VU6718
CSH Severity: Low
CVSS v4.0: 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-2017-6674
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to bypass URL filters on the target system.
The weakness exists in the feature-license management functionality of Cisco Firepower System Software due to insufficient validation of user-supplied input. A remote attacker can send traffic matching a configured URL filter and bypass URL filters to access certain websites.
Successful exploitation of the vulnerability results in access to the website.
The weakness exists in the feature-license management functionality of Cisco Firepower System Software due to insufficient validation of user-supplied input. A remote attacker can send traffic matching a configured URL filter and bypass URL filters to access certain websites.
Successful exploitation of the vulnerability results in access to the website.
How to mitigate CVE-2017-6674
Update to version 6.1.0.2, 6.2.1, 6.2.0.1.