CVE-2018-8838: Yokogawa b/m9000 Cs

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A weakness in access controls in CENTUM CS 1000 all versions, CENTUM CS 3000 versions R3.09.50 and earlier, CENTUM CS 3000 Small versions R3.09.50 and earlier, CENTUM VP versions R6.03.10 and earlier, CENTUM VP Small versions R6.03.10 and earlier, CENTUM VP Basic versions R6.03.10 and earlier, Exaopc versions R3.75.00 and earlier, B/M9000 CS all versions, and B/M9000 VP versions R8.01.01 and earlier may allow a local attacker to exploit the message management function of the system. A CVSS v3 base score of 6.5 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H).

Affected products

• Yokogawa b/m9000 Cs: affected versions not specified
• Yokogawa b/m9000 Vp: up to and including r8.01.01
• Yokogawa Centum Cs 3000: up to and including r3.09.50
• Yokogawa Centum Vp: up to and including r6.03.10
• Yokogawa Exaopc: up to and including r3.75.00

Published 2018-04-17. Last modified 2026-06-17.