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CVE-2023-6815

Quick assessment

Affected
Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08SFCPU
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是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 Mitsubishi MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU、MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU版本存在安全漏洞，该漏洞源于允许经过身份验证的远程攻击者登录产品，通过发送特制数据包来泄露访问级别低于攻击者的用户的凭

CVSS 6.5 · Medium EPSS 0.70% · P51
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I. Basic Information for CVE-2023-6815

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric MELSEC iQ-R series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-R series是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 Mitsubishi MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU、MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU版本存在安全漏洞，该漏洞源于允许经过身份验证的远程攻击者登录产品，通过发送特制数据包来泄露访问级别低于攻击者的用户的凭
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 Safety CPU R08SFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R16SFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R32SFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R120SFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series SIL2 Process CPU R16PSFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series SIL2 Process CPU R32PSFCPU all versions -
Mitsubishi Electric Corporation MELSEC iQ-R Series SIL2 Process CPU R120PSFCPU all versions -

II. Public POCs for CVE-2023-6815

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-6815

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Vendor Advisories for CVE-2023-6815 (2)

Other References for CVE-2023-6815 (1)

IV. Related Vulnerabilities

Same product: MELSEC iQ-R Series Safety CPU R08SFCPU
Same vendor: Mitsubishi Electric Corporation
Same weakness: CWE-266

V. Comments for CVE-2023-6815

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