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

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

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

fixed in 3

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 2022-03-24 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, 2026-11-08).

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

web-material3.yokogawa.com /1/32094/files/YSAR-22-0001-E.pdf
vendor-advisory

Sources

CVE List CVE-2022-21177
NVD CVE-2022-21177

Fencer Vulns 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.

Summary