Exploited
CWE
798 1188
EPSS
6.843%
Advisory Published
Updated

CVE-2023-6448: Unitronics VisiLogic uses a default administrative password

First published: Tue Dec 05 2023(Updated: )

Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.

Credit: 9119a7d8-5eab-497f-8521-727c672e3725 9119a7d8-5eab-497f-8521-727c672e3725

Affected SoftwareAffected VersionHow to fix
Unitronics Vision PLC
All of
Unitronics Vision1210<12.38
Unitronics VisiLogic OPLC IDE
All of
Unitronics Vision1040 Firmware<12.38
Unitronics Vision1040 Firmware
All of
Unitronics Vision700 Firmware<12.38
Unitronics Vision700 Firmware
All of
Unitronics Vision570 Firmware<12.38
Unitronics Vision570 Firmware
All of
Unitronics Vision560 Firmware<12.38
Unitronics Vision560 Firmware
All of
Unitronics Vision430<12.38
Unitronics Vision430 Firmware
All of
Unitronics Vision350 Firmware<12.38
Unitronics Vision350 Firmware
All of
Unitronics Vision130 Firmware<12.38
Unitronics Vision130 Firmware
All of
Unitronics Vision Series PLCs<12.38
Unitronics Vision230 Firmware
All of
Unitronics Vision280<12.38
Unitronics Vision280
All of
Unitronics Vision290 Firmware<12.38
Unitronics Vision290 Firmware
All of
Unitronics Vision 530 Firmware<12.38
Unitronics Vision 530 Firmware
All of
Unitronics Vision120 Firmware<12.38
Unitronics Vision120 Firmware
Unitronics VisiLogic OPLC IDE<9.9.00
All of
Unitronics Samba<12.38
Unitronics Samba 3.5 Firmware
All of
Unitronics Samba 4.3<12.38
Unitronics Samba
All of
Unitronics Samba<12.38
Unitronics Samba 7 firmware

Remedy

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Frequently Asked Questions

  • What is the severity of CVE-2023-6448?

    CVE-2023-6448 is a high severity vulnerability due to the use of a default administrative password that allows unauthorized access to systems.

  • How do I fix CVE-2023-6448?

    To fix CVE-2023-6448, update VisiLogic to version 9.9.00 or later and ensure that default passwords are changed immediately.

  • Which products are affected by CVE-2023-6448?

    CVE-2023-6448 affects various Unitronics Vision and Samba PLCs and HMIs prior to VisiLogic version 9.9.00.

  • Can CVE-2023-6448 be exploited remotely?

    Yes, CVE-2023-6448 can be exploited remotely by an unauthenticated attacker with network access.

  • What is the impact of CVE-2023-6448 on vulnerable systems?

    The impact of CVE-2023-6448 includes potential full administrative control of affected systems by unauthorized users.

Contact

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