Security restrictions bypass in Westermo products - CVE-2017-5816
Published: August 25, 2017 / Updated: June 17, 2021
Vulnerability identifier: #VU8012
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2017-5816
CWE-ID: CWE-321
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Westermo
Affected software:
MRD-455
MRD-355
MRD-315
MRD-305-DIN
MRD-455
MRD-355
MRD-315
MRD-305-DIN
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to use of hard-coded credentials. A remote attacker can decrypt traffic from any other source.
How to mitigate CVE-2017-5816
Update the firmware to version 1.7.7.0