How severe is CVE-2021-31600?

CVE-2021-31600 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-31600 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31600?

CVE-2021-31600 primarily affects Hitachi Vantara Pentaho. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-31600?

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

When was CVE-2021-31600 published?

CVE-2021-31600 was published on 2021-11-08 and last updated on 2026-06-17.

CVE-2021-31600

CVE-2021-31600 is a medium-severity vulnerability in Hitachi Vantara Pentaho with a CVSS 3.x base score of 4.3. 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-552.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Hitachi Vantara Pentaho
Published: 2021-11-08
Last modified: 2026-06-17

Description

An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x. They implement a series of web services using the SOAP protocol to allow scripting interaction with the backend server. An authenticated user (regardless of privileges) can list all valid usernames.

Frequently asked questions

What is CVE-2021-31600?: An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x. They implement a series of web services using the SOAP protocol to allow scripting interaction with the backend server. An authenticated user (regardless of privileges) can list all valid usernames.
How severe is CVE-2021-31600?: CVE-2021-31600 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-31600 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31600?: CVE-2021-31600 primarily affects Hitachi Vantara Pentaho. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-31600?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31600 published?: CVE-2021-31600 was published on 2021-11-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:hitachi:vantara_pentaho:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:vantara_pentaho_business_intelligence_server:*:*:*:*:*:*:*:*

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