Wago Multiple Products Missing Authentication for Critical Function (CVE-2022-3738)

medium Tenable OT Security Plugin ID 500917

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The vulnerability allows a remote unauthenticated attacker to download a backup file, if one exists. That backup file might contain sensitive information like credentials and cryptographic material. A valid user has to create a backup after the last reboot for this attack to be successfull.

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/advisories/VDE-2022-054/

Plugin Details

Severity: Medium

ID: 500917

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 3/29/2023

Updated: 2/21/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2022-3738

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

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

Required KB Items: Tenable.ot/Wago

Exploit Ease: No known exploits are available

Patch Publication Date: 1/19/2023

Vulnerability Publication Date: 1/19/2023

Reference Information

CVE: CVE-2022-3738

CWE: 306