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CVE-2023-1257

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CVE-2023-1257

Published: Mar 7, 2023

Modified: Jan 16, 2025

PUBLISHED

CVSS v3.1

7.6

HIGH

Description

An attacker with physical access to the affected Moxa UC Series devices can initiate a restart of the device and gain access to its BIOS. Command line options can then be altered, allowing the attacker to access the terminal. From the terminal, the attacker can modify the device’s authentication files to create a new user and gain full access to the system.

VendorProductVersions

MOXA

UC-8580 Series

affected
V1.1

MOXA

UC-8540 Series

affected
V1.0 to V1.2

MOXA

UC-8410A Series

affected
V2.2

MOXA

UC-8200 Series

affected
V1.0 to V2.4

MOXA

UC-8100A-ME-T Series

affected
V1.0 to V1.1

MOXA

UC-8100 Series

affected
V1.2

MOXA

UC-5100 Series

affected
V1.2

MOXA

UC-3100 Series

affected
V1.2 to V2.0

MOXA

UC-2100 Series

affected
V1.3 to V1.5

MOXA

UC-2100-W Series

affected
V1.3 to V1.5

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

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