Detections
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WAGO PFC200 Series Externally Controlled Reference to a Resource in Another Sphere (CVE-2023-4089)

low Tenable OT Security Plugin ID 501760

Synopsis

The remote OT asset is affected by a vulnerability.

Description

On affected Wago products an remote attacker with administrative privileges can access files to which he has already access to through an undocumented local file inclusion. This access is logged in a different log file than expected.

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

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

As general security measures strongly WAGO recommends:

- Use general security best practices to protect systems from local and network attacks.
- Do not allow direct access to the device from untrusted networks.
- Update to the latest firmware (FW27) according to the table in VDE-2023-046.

CERT@VDE has published advisory VDE-2023-046 for this vulnerability.

See Also

https://cert.vde.com/en/advisories/VDE-2023-046/

https://www.cisa.gov/news-events/ics-advisories/icsa-23-325-01

Plugin Details

Severity: Low

ID: 501760

File Name: tenable_ot_wago_CVE-2023-4089.nasl

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 10/24/2023

Updated: 2/14/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

CVSS Score Source: CVE-2023-4089

CVSS v3

Risk Factor: Low

Base Score: 2.7

Temporal Score: 2.4

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

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

Vulnerability Information

CPE: cpe:/o:wago:pfc100_firmware, cpe:/o:wago:edge_controller_firmware, cpe:/o:wago:pfc200_firmware

Required KB Items: Tenable.ot/Wago

Exploit Ease: No known exploits are available

Patch Publication Date: 10/17/2023

Vulnerability Publication Date: 10/17/2023

Reference Information

CVE: CVE-2023-4089

CWE: 610