How severe is CVE-2021-40338?

CVE-2021-40338 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-40338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40338?

CVE-2021-40338 primarily affects Hitachi Linkone. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-40338?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-40338 published?

CVE-2021-40338 was published on 2022-01-28 and last updated on 2026-06-17.

CVE-2021-40338

CVE-2021-40338 is a low-severity vulnerability in Hitachi Linkone with a CVSS 3.x base score of 3.7. 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-209.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Hitachi Linkone
Published: 2022-01-28
Last modified: 2026-06-17

Description

Hitachi Energy LinkOne product, has a vulnerability due to a web server misconfiguration, that enables debug mode and reveals the full path of the filesystem directory when an attacker generates errors during a query operation. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.

Frequently asked questions

What is CVE-2021-40338?: Hitachi Energy LinkOne product, has a vulnerability due to a web server misconfiguration, that enables debug mode and reveals the full path of the filesystem directory when an attacker generates errors during a query operation. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.
How severe is CVE-2021-40338?: CVE-2021-40338 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-40338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40338?: CVE-2021-40338 primarily affects Hitachi Linkone. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-40338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40338 published?: CVE-2021-40338 was published on 2022-01-28 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=8DBD000079&LanguageCode=en&DocumentPartId=&Action=Launch

Affected products (6)

cpe:2.3:a:hitachi:linkone:3.20:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:linkone:3.22:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:linkone:3.23:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:linkone:3.24:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:linkone:3.25:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:linkone:3.26:*:*:*:*:*:*:*

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