How severe is CVE-2022-43939?

CVE-2022-43939 has a CVSS score of 8.6/10, rated HIGH. Immediate patching is strongly recommended.

Which products are affected by CVE-2022-43939?

CVE-2022-43939 affects the following products: hitachi vantara pentaho business analytics server.

How do I patch CVE-2022-43939?

Apply the hitachi vantara pentaho business analytics server security patch or hotfix for CVE-2022-43939 on the affected version, following the vendor advisory for your exact build.

How do I detect CVE-2022-43939 across my infrastructure?

Inventory every hitachi vantara pentaho business analytics server deployment and check each version against the affected-products list above.

How do I mitigate CVE-2022-43939 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Is CVE-2022-43939 actively exploited in the wild?

Yes. There are 2 known exploit references for CVE-2022-43939, including 1 documented proof-of-concept exploit on Exploit-DB and 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-43939?

CVE-2022-43939 has an EPSS (Exploit Prediction Scoring System) score of 92.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2022-43939 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2022-43939 (Hitachi Vantara Pentaho BA Server Authorization Bypass Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-03-03. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-03-24. The required action was: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2022-43939?

CVE-2022-43939 is classified as CWE-647 (CWE-647). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2022-43939?

CVE-2022-43939 affects hitachi vantara pentaho business analytics server (1 version, e.g. 9.4.0.0). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2022-43939?

A Nuclei detection template exists for CVE-2022-43939, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2022-43939 published, and has it been updated?

CVE-2022-43939 was published on April 3, 2023 and was last updated on June 17, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🛡️

CISA KEV · ACTIVELY EXPLOITED

HIGH severity

CVE-2022-43939 — Vantara Pentaho Business Analytics Server

HIGH

CVE-2022-43939 is a high-severity (CVSS 8.6) CWE-647 vulnerability in hitachi vantara pentaho business analytics server. It is in CISA's Known Exploited Vulnerabilities catalog (added 2025-03-03) — treat it as actively exploited and patch now. A fix is available — see the affected versions and patch details below.

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.

Published

Apr 3, 2023

Updated

Jun 17, 2026

Affected

1 product

Patched

See advisory

Exploits

2 known

Exploitation data as of Oct 23, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2025-03-03. Federal agencies were required to remediate by 2025-03-24.
CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2022-43939.

EPSS Exploitation Probability

via FIRST.org ↗

92.3%probability of exploitation in next 30 days

Very High Risk0.00%

Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2022-43939 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).

Where this sits among everything scored

Of 395,249 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.

Description

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.

Affected Products

1 product · 2 configurations

Application

vantara pentaho business analytics serverhitachi

< 9.3.0.2

1 version

9.4.0.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-51350webappsjsp

Pentaho BA Server EE 9.3.0.0-428 - Remote Code Execution (RCE) (Unauthenticated)

by dwbzn · Apr 8, 2023

Exploit-DB Source

Detection & mitigation playbook

Vendor / appliance

Detect
Inventory every hitachi vantara pentaho business analytics server deployment and check each version against the affected-products list above.
Fix
Apply the hitachi vantara pentaho business analytics server security patch or hotfix for CVE-2022-43939 on the affected version, following the vendor advisory for your exact build.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

How to detect CVE-2022-43939

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2022-43939 -u https://target

Template: Hitachi Pentaho Business Analytics Server - Bypass Authorization
Severity: high
Impact: Unauthenticated attackers can bypass authorization restrictions using non-canonical URL paths to access protected administrative endpoints in Hitachi Pentaho Business Analytics Server, potentially gaining unauthorized access to sensitive analytics data and configurations.
Remediation: Upgrade to Hitachi Vantara Pentaho Business Analytics Server version 9.4.0.1, 9.3.0.2 or later that properly validates canonical URL paths.

Template by ProjectDiscovery nuclei-templates (daffainfo), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

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.

O3 Security · Runtime Protection

Is CVE-2022-43939 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

Protect my workloads How runtime protection works

CVSS Score

8.6/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CWE Classification

Weaponization

Timeline

Disclosed

Apr 3, 2023

First exploit

Apr 8, 2023

4 days after disclosure — rapid exploitation

KEV added

Mar 3, 2025

Last updated

Jun 17, 2026

Identifiers

CVE-2022-43939

References

Advisorysupport.pentaho.com Advisorysupport.pentaho.com Exploit / PoCpacketstormsecurity.com Exploit / PoCpacketstormsecurity.com Webcisa.gov

Related vulnerabilities

This CVE is high severity; 4 of 8 other CVEs with CWE-647 are rated as high or higher (top: critical).

GHSA-c534-2w9c-x7fmCVE-2026-8384CVE-2026-62685CVE-2026-59731CVE-2026-5222CVE-2025-66202CVE-2025-64500CVE-2025-47241Browse all CWE-647

Provenance

Sources

OSV.devNVDCISA KEVFIRST.org (EPSS)

Last verifiedJun 17, 2026

CVE-2022-43939 — Vantara Pentaho Business Analytics Server

Exploitation Status

Actively exploited in the wild

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Description

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

How to detect CVE-2022-43939

Frequently Asked Questions

Is CVE-2022-43939 being exploited in your environment?