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Fencer Intel
critical 9.8

CVE-2022-23402 json

The following Yokogawa Electric products hard-code the password for CAMS server applications: CENTUM VP versions from R5.01.00 to R5.04.20…

published 2022-03-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-28480

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

The following Yokogawa Electric products hard-code the password for CAMS server applications: CENTUM VP versions from R5.01.00 to R5.04.20 and versions from R6.01.00 to R6.08.00, Exaopc versions from R3.72.00 to R3.79.00

Patch / fix

  • yokogawa exaopc r3.80.00
  • yokogawa centum_vp_firmware r6.09.00
  • yokogawa centum_vp_entry_firmware r6.09.00

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-083-01 updated cvss 7.8

Yokogawa CENTUM and Exaopc

  • Yokogawa B/M9000 VP >=R6.01.01 -, <=R8.03.01 Yokogawa B/M9000CS >=R5.04.01, <= R5.05.01 Yokogawa CENTUM CS 3000 >=R3.08.10, <= R3.09.00 Yokogawa CENTUM VP >=R4.01.00, <= R4.03.00, >=R5.01.00, <= R5.04.20, >=R6.01.00, <= R6.08.00 Yokogawa Exaopc >=R3.72.00, <= R3.79.00
    affected: mitigation “CENTUM VP: update to R6.09.00 or later” web-material3.yokogawa.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Yokogawa Electric Corporation CENTUM VP
  • Yokogawa Electric Corporation Exaopc

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.