How severe is CVE-2022-23401?

CVE-2022-23401 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-23401 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23401?

CVE-2022-23401 primarily affects Yokogawa Exaopc. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23401?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-23401 published?

CVE-2022-23401 was published on 2022-03-11 and last updated on 2026-06-17.

CVE-2022-23401

CVE-2022-23401 is a high-severity vulnerability in Yokogawa Exaopc with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 3.7
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Yokogawa Exaopc
Published: 2022-03-11
Last modified: 2026-06-17

Description

The following Yokogawa Electric products contain insecure DLL loading issues. 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, Exaopc versions from R3.72.00 to R3.79.00.

Frequently asked questions

What is CVE-2022-23401?: The following Yokogawa Electric products contain insecure DLL loading issues. 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, Exaopc versions from R3.72.00 to R3.79.00.
How severe is CVE-2022-23401?: CVE-2022-23401 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-23401 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23401?: CVE-2022-23401 primarily affects Yokogawa Exaopc. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23401?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-23401 published?: CVE-2022-23401 was published on 2022-03-11 and last updated on 2026-06-17.

References

https://web-material3.yokogawa.com/1/32094/files/YSAR-22-0001-E.pdf

Affected products (5)

cpe:2.3:o:yokogawa:centum_cs_3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:centum_cs_3000_entry_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:centum_vp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:centum_vp_entry_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:exaopc:*:*:*:*:*:*:*:*

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