CVE Vulnerabilities

CVE-2020-12523

Missing Initialization of Resource

Published: Dec 17, 2020 | Modified: Dec 21, 2020
CVSS 3.x
9.1
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.x
6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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

Weakness

The product does not initialize a critical resource.

Affected Software

Name Vendor Start Version End Version
Tc_mguard_rs4000_4g_vzw_vpn_firmware Phoenixcontact * 8.8.3 (excluding)

Potential Mitigations

References