Wago Controllers OS Command Injection (CVE-2020-12522)

critical Tenable OT Security Plugin ID 500920

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets in WAGO Series PFC 100 (750-81xx/xxx-xxx), Series PFC 200 (750-82xx/xxx-xxx), Series Wago Touch Panel 600 Standard Line (762-4xxx), Series Wago Touch Panel 600 Advanced Line (762-5xxx), Series Wago Touch Panel 600 Marine Line (762-6xxx) with firmware versions <=FW10.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://cert.vde.com/en-us/advisories/vde-2020-045

Plugin Details

Severity: Critical

ID: 500920

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 3/29/2023

Updated: 8/24/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-12522

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:wago:pfc_100_firmware, cpe:/o:wago:pfc_200_firmware

Required KB Items: Tenable.ot/Wago

Exploit Ease: No known exploits are available

Patch Publication Date: 12/17/2020

Vulnerability Publication Date: 12/17/2020

Reference Information

CVE: CVE-2020-12522

CWE: 78