CVE-2022-43939: Hitachi Vantara Pentaho BA Server Authorization Bypass Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 3 Mar 2025, 700 days after the CVE record was published.

How likely is exploitation in the next 30 days?

92.3%

EPSS score, percentile 99.8 of all scored records

How severe?

8.6 High

CVSS v3.1 base score, given by the CNA

What should I do?

CISA deadline 24 Mar 2025. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

• from 1.0 to before 9.3.0.2
• from 9.4.0.0 to before 9.4.0.1

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 24 March 2025.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

• https://support.pentaho.com/hc/en-us/articles/14455394120333--Resolved-Pentaho-BA-Server-Use-of-Non-Canonical-URL-Paths-for-Authorization-Decisions-Versions-before-9-4-0-1-and-9-3-0-2-including-8-3-x-Impacted-CVE-2022-43939-
• https://nvd.nist.gov/vuln/detail/CVE-2022-43939

Affected products and versions

As listed in the CVE record.

Versions not listed are: unaffected.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

Hitachi Vantara Pentaho BA Server contains a use of non-canonical URL paths for authorization decisions vulnerability that enables an attacker to bypass authorization.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2022-43939 to its Known Exploited Vulnerabilities (KEV) catalog on 3 Mar 2025.
• CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
• The due date CISA sets for the required action is 24 Mar 2025.
• The CVE record was published on 3 Apr 2023, 700 days before it was added to KEV.
• The CVE record carries a CVSS v3.1 base score of 8.6 (High), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 92.3% (percentile 99.8), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact partial.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

Hitachi Vantara Pentaho Business Analytics Server - Use of Non-Canonical URL Paths for Authorization Decisions

Hitachi Vantara Pentaho Business Analytics Server versions before 9.4.0.1 and 9.3.0.2, including 8.3.x contain security restrictions using non-canonical URLs which can be circumvented.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

• CWE-647: Use of Non-Canonical URL Paths for Authorization Decisions

Attack patterns (CAPEC)

• CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

References

• support.pentaho.com
• packetstormsecurity.com

More exploited Hitachi Vantara vulnerabilities

• CVE-2022-43769: Hitachi Vantara Pentaho BA Server Special Element Injection Vulnerability (added 3 Mar 2025)