No exploitation reportedFix available

CVE-2022-22151

Q: Is CVE-2022-22151 actively exploited?

Active exploitation of CVE-2022-22151 has not been confirmed. Its EPSS score was 0.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-22151?

CVE-2022-22151 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-03-11
Fixed inr6.09.00
WeaknessCWE-116 · CWE-117

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

CAMS for HIS Log Server contained in the following Yokogawa Electric products fails to properly neutralize log outputs: 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, and from R6.01.00 to R6.08.00, and Exaopc versions from R3.72.00 to R3.79.00.

Timeline

dates in UTC

2022-03-1109:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-22151?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-22151?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Yokogawa centum vp entry firmwareversion to verify

Branch	Affected	Fixed in	Source
—	≥ r6.01.00, < r6.09.00	r6.09.00	NVD
—	≥ r4.01.00, ≤ r4.03.00	no fix published	NVD
—	≥ r5.01.00, ≤ r5.04.20	no fix published	NVD

Yokogawa centum vp firmwareversion to verify

Branch	Affected	Fixed in	Source
—	≥ r6.01.00, < r6.09.00	r6.09.00	NVD
—	≥ r4.01.00, ≤ r4.03.00	no fix published	NVD
—	≥ r5.01.00, ≤ r5.04.20	no fix published	NVD

Yokogawa centum cs 3000 entry firmwareversion to verify

Branch	Affected	Fixed in	Source
—	≥ r3.08.10, ≤ r3.09.00	no fix published	NVD

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-22-083-01 CISA7 known affected
Yokogawa CENTUM and Exaopc
CENTUM and Exaopc - CENTUM CS 3000 (Including CENTUM CS 3000 Entry Class): R3.08.10 - R3.09.00 · CENTUM and Exaopc - R4.01.00 - R4.03.00 · CENTUM and Exaopc - R5.01.00 - R5.04.20 · +4 more

Full record on NVD

Fix

Update Yokogawa centum vp entry firmware to r6.09.00
Mitigation from the vendor CISA ICSA-22-083-01 · 7 productsCENTUM VP: update to R6.09.00 or later
Mitigation from the vendor CISA ICSA-22-083-01 · 7 productsExaopc: update to R3.80.00 or later
Mitigation from the vendor CISA ICSA-22-083-01 · 7 productsCENTUM CS 3000: consider system upgrade to the latest revision of CENTUM VP
Mitigation from the vendor CISA ICSA-22-083-01 · 7 productsThe method of obtaining and updating patch software depends on the support contract of each installation. Users who do not know how to obtain the update and install it should contact their service/sales person.
Mitigation from the vendor CISA ICSA-22-083-01 · 7 productsPlease see Yokogawa's full report (YSAR-22-0001) for update details.
Mitigation from the vendor CISA ICSA-22-083-01 · 7 productsFor questions related to this report, please contact Yokogawa security.

Advisories and patches

web-material3.yokogawa.comMitigation · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.1read 2026-10-23
NVDCVSS 2.04.9read 2026-10-23
CNAweakness (CWE)CWE-117read 2026-10-23
NVDweakness (CWE)CWE-116read 2026-10-23
FIRST EPSSEPSS score0.8 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published: 2022-03-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-22151?

Is CVE-2022-22151 actively exploited?

Active exploitation of CVE-2022-22151 has not been confirmed. Its EPSS score was 0.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-22151?

CVE-2022-22151 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

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