high
7.2
CWE
326
Advisory Published
Updated

CVE-2023-27389: Weak Encryption

First published: Tue Apr 11 2023(Updated: )

Inadequate encryption strength vulnerability in CONPROSYS IoT Gateway products allows a remote authenticated attacker with an administrative privilege to apply a specially crafted Firmware update file, alter the information, cause a denial-of-service (DoS) condition, and/or execute arbitrary code. The affected products and versions are as follows: M2M Gateway with the firmware Ver.3.7.10 and earlier (CPS-MG341-ADSC1-111, CPS-MG341-ADSC1-931, CPS-MG341G-ADSC1-111, CPS-MG341G-ADSC1-930, and CPS-MG341G5-ADSC1-931), M2M Controller Integrated Type with firmware Ver.3.7.6 and earlier versions (CPS-MC341-ADSC1-111, CPS-MC341-ADSC1-931, CPS-MC341-ADSC2-111, CPS-MC341G-ADSC1-110, CPS-MC341Q-ADSC1-111, CPS-MC341-DS1-111, CPS-MC341-DS11-111, CPS-MC341-DS2-911, and CPS-MC341-A1-111), and M2M Controller Configurable Type with firmware Ver.3.8.8 and earlier versions (CPS-MCS341-DS1-111, CPS-MCS341-DS1-131, CPS-MCS341G-DS1-130, CPS-MCS341G5-DS1-130, and CPS-MCS341Q-DS1-131).

Credit: vultures@jpcert.or.jp

Affected SoftwareAffected VersionHow to fix
Contec Cps-mg341-adsc1-111<=3.7.10
Contec CPS-MG341-ADSC1-111 Firmware
Contec Cps-mg341g5-adsc1-931 Firmware<=3.7.10
Contec Cps-mg341-adsc1-931 Firmware
Contec Cps-mg341g-adsc1-111 Firmware<=3.7.10
Contec Cps-mg341g-adsc1-111 Firmware
Contec Cps-mg341g-adsc1-930<=3.7.10
Contec Cps-mg341g-adsc1-930 Firmware
Contec Cps-mg341g5-adsc1-931<=3.7.10
Contec Cps-mg341g5-adsc1-931 Firmware
Contec Cps-mc341-a1-111<=3.7.6
Contec Cps-mc341-a1-111
Contec CPS-MC341-ADSC1-931<=3.7.6
Contec CPS-MC341-ADSC1-931
Contec CPS-MC341-ADSC2-111<=3.7.6
Contec Cps-mc341-adsc2-111 Firmware
Contec Cps-mc341g-adsc1-110<=3.7.6
Contec Cps-mc341g-adsc1-110 Firmware
Contec Cps-mc341q-adsc1-111<=3.7.6
Contec Cps-mc341q-adsc1-111 Firmware
Contec Cps-mc341-ds1-111<=3.7.6
Contec Cps-mc341-ds1-111 Firmware
Contec Cps-mc341-ds11-111 Firmware<=3.7.6
Contec Cps-mc341-ds11-111 Firmware
Contec Cps-mc341-ds2-911<=3.7.6
Contec Cps-mc341-ds2-911 Firmware
Contec Cps-mc341-a1-111<=3.7.6
Contec Cps-mc341-a1-111 Firmware
Contec Cps-mcs341-ds1-111<=3.8.8
Contec Cps-mcs341-ds1-111 Firmware
Contec Cps-mcs341q-ds1-131<=3.8.8
Contec Cps-mcs341-ds1-131 Firmware
Contec Cps-mcs341g5-ds1-130 Firmware<=3.8.8
Contec Cps-mcs341g-ds1-130 Firmware
Contec CPS-MCS341G5-DS1-130<=3.8.8
Contec Cps-mcs341g5-ds1-130 Firmware
Contec Cps-mcs341q-ds1-131<=3.8.8
Contec Cps-mcs341q-ds1-131 Firmware
All of
Contec Cps-mg341-adsc1-111<=3.7.10
Contec CPS-MG341-ADSC1-111 Firmware
All of
Contec Cps-mg341g5-adsc1-931 Firmware<=3.7.10
Contec Cps-mg341-adsc1-931 Firmware
All of
Contec Cps-mg341g-adsc1-111 Firmware<=3.7.10
Contec Cps-mg341g-adsc1-111 Firmware
All of
Contec Cps-mg341g-adsc1-930<=3.7.10
Contec Cps-mg341g-adsc1-930 Firmware
All of
Contec Cps-mg341g5-adsc1-931<=3.7.10
Contec Cps-mg341g5-adsc1-931 Firmware
All of
Contec Cps-mc341-a1-111<=3.7.6
Contec Cps-mc341-a1-111
All of
Contec CPS-MC341-ADSC1-931<=3.7.6
Contec CPS-MC341-ADSC1-931
All of
Contec CPS-MC341-ADSC2-111<=3.7.6
Contec Cps-mc341-adsc2-111 Firmware
All of
Contec Cps-mc341g-adsc1-110<=3.7.6
Contec Cps-mc341g-adsc1-110 Firmware
All of
Contec Cps-mc341q-adsc1-111<=3.7.6
Contec Cps-mc341q-adsc1-111 Firmware
All of
Contec Cps-mc341-ds1-111<=3.7.6
Contec Cps-mc341-ds1-111 Firmware
All of
Contec Cps-mc341-ds11-111 Firmware<=3.7.6
Contec Cps-mc341-ds11-111 Firmware
All of
Contec Cps-mc341-ds2-911<=3.7.6
Contec Cps-mc341-ds2-911 Firmware
All of
Contec Cps-mc341-a1-111<=3.7.6
Contec Cps-mc341-a1-111 Firmware
All of
Contec Cps-mcs341-ds1-111<=3.8.8
Contec Cps-mcs341-ds1-111 Firmware
All of
Contec Cps-mcs341q-ds1-131<=3.8.8
Contec Cps-mcs341-ds1-131 Firmware
All of
Contec Cps-mcs341g5-ds1-130 Firmware<=3.8.8
Contec Cps-mcs341g-ds1-130 Firmware
All of
Contec CPS-MCS341G5-DS1-130<=3.8.8
Contec Cps-mcs341g5-ds1-130 Firmware
All of
Contec Cps-mcs341q-ds1-131<=3.8.8
Contec Cps-mcs341q-ds1-131 Firmware

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-27389?

    CVE-2023-27389 is an inadequate encryption strength vulnerability in CONPROSYS IoT Gateway products that allows a remote authenticated attacker with administrative privilege to apply a specially crafted Firmware update file, alter information, cause a denial-of-service (DoS) condition, and/or execute arbitrary code.

  • Are CONPROSYS IoT Gateway products affected by CVE-2023-27389?

    Yes, CONPROSYS IoT Gateway products with firmware versions up to and including 3.7.10 are affected by CVE-2023-27389.

  • What is the severity of CVE-2023-27389?

    The severity of CVE-2023-27389 is high with a CVSS score of 7.2.

  • How can an attacker exploit CVE-2023-27389?

    An attacker can exploit CVE-2023-27389 by being authenticated remotely with administrative privilege and applying a specially crafted Firmware update file.

  • Is there a fix available for CVE-2023-27389?

    Yes, Contec provides a firmware update to address CVE-2023-27389. Please refer to the Contec website for more information.

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