CVEvulnerability

CVE-2020-12523

9.1 CRITICAL Published 2020-12-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-12-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
CWE-909

Description

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

Affected configurations

• phoenixcontact tc mguard rs4000 4g vzw vpn firmware (< 8.8.3) • phoenixcontact tc mguard rs4000 4g att vpn firmware (< 8.8.3) • phoenixcontact fl mguard rs4004 tx\/dtx firmware (< 8.8.3) • phoenixcontact fl mguard rs4004 tx\/dtx vpn firmware (< 8.8.3) • phoenixcontact tc mguard rs4000 3g vpn firmware • phoenixcontact tc mguard rs4000 4g 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 innominate mguard rs4000 4tx\/3g\/tx vpn firmware (< 8.8.3)

Related

Weakness · CWE (1)

  • CWE-909 Missing Initialization of Resource weakness

References