How severe is CVE-2021-31599?

CVE-2021-31599 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-31599 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31599?

CVE-2021-31599 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-2021-31599?

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-2021-31599 published?

CVE-2021-31599 was published on 2021-11-08 and last updated on 2026-06-17.

CVE-2021-31599

CVE-2021-31599 is a high-severity vulnerability in Hitachi Vantara Pentaho with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
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. A reports (.prpt) file allows the inclusion of BeanShell scripts to ease the production of complex reports. An authenticated user can run arbitrary code.

Frequently asked questions

What is CVE-2021-31599?: An issue was discovered in Hitachi Vantara Pentaho through 9.1 and Pentaho Business Intelligence Server through 7.x. A reports (.prpt) file allows the inclusion of BeanShell scripts to ease the production of complex reports. An authenticated user can run arbitrary code.
How severe is CVE-2021-31599?: CVE-2021-31599 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-31599 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31599?: CVE-2021-31599 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-2021-31599?: 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-2021-31599 published?: CVE-2021-31599 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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