CVE-2020-12523
MEDIUMPhoenix Contact mGuard Devices <8.8.3 - Info Disclosure
Title source: llmDescription
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
References (1)
Core 1
Core References
Third Party Advisory x_refsource_confirm
https://cert.vde.com/en-us/advisories/vde-2020-046
Scores
CVSS v3
5.4
EPSS
0.0089
EPSS Percentile
54.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Details
CWE
CWE-909
Status
published
Products (9)
phoenixcontact/fl_mguard_rs4004_tx\/dtx_firmware
< 8.8.3
phoenixcontact/fl_mguard_rs4004_tx\/dtx_vpn_firmware
< 8.8.3
phoenixcontact/innominate_mguard_rs4000_4tx\/3g\/tx_vpn_firmware
< 8.8.3
phoenixcontact/innominate_mguard_rs4000_4tx\/tx_firmware
< 8.8.3
phoenixcontact/innominate_mguard_rs4000_4tx\/tx_vpn_firmware
< 8.8.3
phoenixcontact/tc_mguard_rs4000_3g_vpn_firmware
phoenixcontact/tc_mguard_rs4000_4g_att_vpn_firmware
< 8.8.3
phoenixcontact/tc_mguard_rs4000_4g_vpn_firmware
< 8.8.3
phoenixcontact/tc_mguard_rs4000_4g_vzw_vpn_firmware
< 8.8.3
Published
Dec 17, 2020
Tracked Since
Feb 18, 2026