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CVE-2023-26593

Quick assessment

Affected
Yokogawa Electric Corporation CENTUM 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.

Yokogawa Electric是日本横河电机（Yokogawa）公司的一个服务器。 Yokogawa 多款产品存在安全漏洞，该漏洞源于 CENTUM Authentication Mode 中发现了特权提升漏洞。以下产品及版本受到影响：CENTUM CS 1000，CENTUM CS 3000，CENTUM VP，Exaopc，B/M9000CS，B/M9000 VP。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.14% · P3
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I. Basic Information for CVE-2023-26593

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CENTUM series provided by Yokogawa Electric Corporation are vulnerable to cleartext storage of sensitive information. If an attacker who can login or access the computer where the affected product is installed tampers the password file stored in the computer, the user privilege which CENTUM managed may be escalated. As a result, the control system may be operated with the escalated user privilege. To exploit this vulnerability, the following prerequisites must be met: (1)An attacker has obtained user credentials where the affected product is installed, (2)CENTUM Authentication Mode is used for user authentication when CENTUM VP is used. The affected products and versions are as follows: CENTUM CS 1000, CENTUM CS 3000 (Including CENTUM CS 3000 Entry Class) R2.01.00 to R3.09.50, CENTUM VP (Including CENTUM VP Entry Class) R4.01.00 to R4.03.00, R5.01.00 to R5.04.20, and R6.01.00 and later, B/M9000 CS R5.04.01 to R5.05.01, and B/M9000 VP R6.01.01 to R7.04.51 and R8.01.01 and later
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Yokogawa产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yokogawa Electric是日本横河电机（Yokogawa）公司的一个服务器。 Yokogawa 多款产品存在安全漏洞，该漏洞源于 CENTUM Authentication Mode 中发现了特权提升漏洞。以下产品及版本受到影响：CENTUM CS 1000，CENTUM CS 3000，CENTUM VP，Exaopc，B/M9000CS，B/M9000 VP。
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
Yokogawa Electric Corporation CENTUM series CENTUM CS 1000, CENTUM CS 3000 (Including CENTUM CS 3000 Entry Class) R2.01.00 to R3.09.50, CENTUM VP (Including CENTUM VP Entry Class) R4.01.00 to R4.03.00, R5.01.00 to R5.04.20, and R6.01.00 and later, B/M9000 CS R5.04.01 to R5.05.01, and B/M9000 VP R6. -

II. Public POCs for CVE-2023-26593

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III. Intelligence Information for CVE-2023-26593

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Vendor Advisories for CVE-2023-26593 (1)

Other References for CVE-2023-26593 (1)

IV. Related Vulnerabilities

Same vendor: Yokogawa Electric Corporation

V. Comments for CVE-2023-26593

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