How severe is CVE-2021-34684?

CVE-2021-34684 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34684?

CVE-2021-34684 affects Hitachi Vantara Pentaho. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34684?

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

When was CVE-2021-34684 published?

CVE-2021-34684 was published on 2021-11-08 and last updated on 2026-06-17.

CVE-2021-34684

CVE-2021-34684 is a critical-severity vulnerability in Hitachi Vantara Pentaho with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Hitachi Vantara Pentaho
Published: 2021-11-08
Last modified: 2026-06-17

Description

Hitachi Vantara Pentaho Business Analytics through 9.1 allows an unauthenticated user to execute arbitrary SQL queries on any Pentaho data source and thus retrieve data from the related databases, as demonstrated by an api/repos/dashboards/editor URI.

Frequently asked questions

What is CVE-2021-34684?: Hitachi Vantara Pentaho Business Analytics through 9.1 allows an unauthenticated user to execute arbitrary SQL queries on any Pentaho data source and thus retrieve data from the related databases, as demonstrated by an api/repos/dashboards/editor URI.
How severe is CVE-2021-34684?: CVE-2021-34684 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34684?: CVE-2021-34684 affects Hitachi Vantara Pentaho. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-34684 published?: CVE-2021-34684 was published on 2021-11-08 and last updated on 2026-06-17.

References

Affected products (1)

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

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