Improper authentication in mGuard - CVE-2017-7937
Published: May 16, 2017 / Updated: May 16, 2017
Vulnerability identifier: #VU6549
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7937
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Phoenix Contact GmbH
Affected software:
mGuard
mGuard
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to bypass authentication on the target system.
The weakness exists due to improper authentication when RADIUS servers are unreachable. By using incorrect credentials a remote attacker can bypass authentication and gain unauthorized access to the user firewall.
Successful exploitation of the vulnerability may result in access to the internal network.
The weakness exists due to improper authentication when RADIUS servers are unreachable. By using incorrect credentials a remote attacker can bypass authentication and gain unauthorized access to the user firewall.
Successful exploitation of the vulnerability may result in access to the internal network.
How to mitigate CVE-2017-7937
Update to version 8.5.0 or later.