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CVE-2023-1257

Quick assessment

Affected
MOXA UC-8580 Series
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MOXA UC Series是中国摩莎（MOXA）公司的一系列计算机。 Moxa UC存在安全漏洞，该漏洞源于具有物理访问权限的攻击者可以启动设备重启并获得对其BIOS的访问权限，然后可以更改命令行选项，攻击者利用该漏洞可以修改设备的身份验证文件以创建新用户并获得对系统的完全访问权限。

CVSS 7.6 · High EPSS 0.32% · P22
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I. Basic Information for CVE-2023-1257

Vulnerability Information
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Vulnerability Title
CVE-2023-1257
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Moxa UC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MOXA UC Series是中国摩莎（MOXA）公司的一系列计算机。 Moxa UC存在安全漏洞，该漏洞源于具有物理访问权限的攻击者可以启动设备重启并获得对其BIOS的访问权限，然后可以更改命令行选项，攻击者利用该漏洞可以修改设备的身份验证文件以创建新用户并获得对系统的完全访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MOXA UC-8580 Series V1.1 -
MOXA UC-8540 Series V1.0 to V1.2 -
MOXA UC-8410A Series V2.2 -
MOXA UC-8200 Series V1.0 to V2.4 -
MOXA UC-8100A-ME-T Series V1.0 to V1.1 -
MOXA UC-8100 Series V1.2 -
MOXA UC-5100 Series V1.2 -
MOXA UC-3100 Series V1.2 to V2.0 -
MOXA UC-2100 Series V1.3 to V1.5 -
MOXA UC-2100-W Series V1.3 to V1.5 -

II. Public POCs for CVE-2023-1257

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III. Intelligence Information for CVE-2023-1257

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Vendor Advisories for CVE-2023-1257 (1)

IV. Related Vulnerabilities

Same vendor: MOXA

V. Comments for CVE-2023-1257

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