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Fencer Intel
high 8.1

CVE-2022-21177 json

There is a path traversal vulnerability in CAMS for HIS Log Server contained in the following Yokogawa Electric products: CENTUM CS 3000 ve…

published 4y ago modified 4mo ago also EUVD-2022-26418

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

There is a path traversal vulnerability in CAMS for HIS Log Server contained in the following Yokogawa Electric products: CENTUM CS 3000 versions from R3.08.10 to R3.09.00, CENTUM VP versions from R4.01.00 to R4.03.00, from R5.01.00 to R5.04.20, andfrom 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

Is CVE-2022-21177 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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 6.6

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

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 4.9 AV:N/AC:M/Au:S/C:N/I:P/A:P

Affected products

  • Yokogawa Electric Corporation CENTUM CS 3000
  • Yokogawa Electric Corporation CENTUM VP
  • Yokogawa Electric Corporation Exaopc

Classification

Weakness
  • CWE-23 Relative Path Traversal
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.