CVE-2020-12523 MEDIUM

CVE-2020-12523: Phoenix Contact mGuard Devices versions before 8.8.3: LAN ports get functional after reboot even if they are disabled in the device configuration

Vendor Phoenix Contact
Product TC MGUARD RS4000 4G VZW VPN (1010461)
Weakness CWE-909
Published December 17, 2020
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

What the vulnerability does

01Description

On Phoenix Contact mGuard Devices versions before 8.8.3 LAN ports get functional after reboot even if they are disabled in the device configuration. For mGuard devices with integrated switch on the LAN side, single switch ports can be disabled by device configuration. After a reboot these ports get functional independent from their configuration setting: Missing Initialization of Resource

Key dates

02Disclosure timeline

December 17, 2020 CVE published
September 16, 2024 Record updated