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CVE-2023-2061— Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules

Quick assessment

Affected
Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91
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.

Mitsubishi Electric MELSEC iQ-R series和Mitsubishi Electric MELSEC iQ-F series都是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 Mitsubishi Electric MELSEC存在安全漏洞，该漏洞源于使用硬编码密码。攻击者利用该漏洞获得硬编码密码并通过FTP访问模块。以下产品受到影响：Mitsubishi Electric Corporation MELSEC iQ-R Series Et

CVSS 6.2 · Medium EPSS 0.55% · P44
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I. Basic Information for CVE-2023-2061

Vulnerability Information
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Vulnerability Title
Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Modules
Source: CVE Program / CVE List V5
Vulnerability Description
Use of Hard-coded Password vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to obtain a hard-coded password and access to the module via FTP.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的口令
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric MELSEC 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-R series和Mitsubishi Electric MELSEC iQ-F series都是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 Mitsubishi Electric MELSEC存在安全漏洞，该漏洞源于使用硬编码密码。攻击者利用该漏洞获得硬编码密码并通过FTP访问模块。以下产品受到影响：Mitsubishi Electric Corporation MELSEC iQ-R Series Et
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
Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 all versions -
Mitsubishi Electric Corporation MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP all versions -

II. Public POCs for CVE-2023-2061

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III. Intelligence Information for CVE-2023-2061

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Vendor Advisories for CVE-2023-2061 (1)

Other References for CVE-2023-2061 (1)

Same Patch Batch · Mitsubishi Electric Corporation · 2023-06-02 · 4 CVEs total

CVE-2023-2060 7.5 HIGH Authentication bypass vulnerability in MELSEC iQ-R Series / iQ-F Series EtherNet/IP Module
CVE-2023-2063 6.3 MEDIUM Information disclosure, tampering, deletion and destruction vulnerability in MELSEC iQ-R S
CVE-2023-2062 6.2 MEDIUM Information Disclosure vulnerability in EtherNet/IP Configuration tools

IV. Related Vulnerabilities

Same product: MELSEC iQ-R Series EtherNet/IP module RJ71EIP91
Same vendor: Mitsubishi Electric Corporation
Same weakness: CWE-259

V. Comments for CVE-2023-2061

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