Published: 17/12/2020 Updated: 21/12/2020

CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10

CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9

VMScore: 570

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P

On Phoenix Contact mGuard Devices versions prior to 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

Vulnerable Product	Search on Vulmon	Subscribe to Product
phoenixcontact tc_mguard_rs4000_4g_vzw_vpn_firmware
phoenixcontact tc_mguard_rs4000_4g_att_vpn_firmware
phoenixcontact fl_mguard_rs4004_tx\\/dtx_firmware
phoenixcontact fl_mguard_rs4004_tx\\/dtx_vpn_firmware
phoenixcontact tc_mguard_rs4000_3g_vpn_firmware -
phoenixcontact tc_mguard_rs4000_4g_vpn_firmware
phoenixcontact innominate_mguard_rs4000_4tx\\/tx_firmware
phoenixcontact innominate_mguard_rs4000_4tx\\/tx_vpn_firmware
phoenixcontact innominate_mguard_rs4000_4tx\\/3g\\/tx_vpn_firmware

CWE-909 https://cert.vde.com/en-us/advisories/vde-2020-046 https://nvd.nist.gov

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CVE-2020-12523

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