Phoenix Contact PLCnext Control Insufficient Read and Write Protection to Logic and Runtime Data (CVE-2023-46142)

high Tenable OT Security Plugin ID 501872

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A incorrect permission assignment for critical resource vulnerability in PLCnext products allows an remote attacker with low privileges to gain full access on the affected 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: High

ID: 501872

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: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2023-46142

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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: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-2023-46142

CWE: 732

Detections

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