Phoenix Contact PLCnext Control Integrity Check Fails to Identify Out-of-Band Logic Changes (CVE-2023-46144)

medium Tenable OT Security Plugin ID 501873

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A download of code without integrity check vulnerability in PLCnext products allows an remote attacker with low privileges to compromise integrity on the affected engineering station and the connected devices.

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

Solution

Please check the PLCnext Control product download pages for updated versions and the PSIRT webpage https://phoenixcontact.com/psirt for updated information's and firmware regularly. Customers are asked to always use the latest LTS versions, as known security vulnerabilities are regularly fixed. The latest version at the time of publication of this advisory is 2023.0.7 LTS Hotfix.

Plugin Details

Severity: Medium

ID: 501873

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 1/8/2024

Updated: 1/9/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-46144

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:phoenixcontact:axc_f_1152_firmware

Required KB Items: Tenable.ot/PhoenixContact

Exploit Ease: No known exploits are available

Patch Publication Date: 12/14/2023

Vulnerability Publication Date: 12/14/2023

Reference Information

CVE: CVE-2023-46144

CWE: 494

Detections

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