CVE-2017-5159

An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.
Resource Injection
Severity
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Atk. Vector
NETWORK
Atk. Complexity
LOW
Priv. Required
NONE
Base Score
CVSS 3.x
EPSS Score
Percentile: 59%
VendorProductVersion
phoenixcontactmguard_firmware
8.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/95648
https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01
http://www.securityfocus.com/bid/95648
https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01