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Hitachi Vantara Pentaho BA Server Authorization Bypass Vulnerability

Exploited · KEV 2025-03-03Metasploit moduleCVE-2022-43939CWE-647

Exploited since 2025-03-03. 2 of 8 rule sources name it; Cloudflare blocks by default. Our CRS test: not blocked.

Edge rules
2/8
Our test
Not blocked
CVSS
8.6
EPSS
92.3% Top 0.2%
Posts, 14d
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Published
2023-04-03

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.

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Ask about CVE-2022-43939: who's covered, what to patch first, how vendors compare. I cite sources and won't help with attacks.

Workers AI (Llama 3.3). Can be wrong: check the cited source.

Severity, decoded

CVSS 3.1
High · 8.6 / 10

Exploitable over the network, with no privileges and no user interaction, leading to low impact on confidentiality and integrity and full loss of availability.

Over the internetNo login neededNo user actionWorks reliablySerious impact
How the score is built8 metrics
  • Attack vectorAn attacker can reach it over the internet; no access to your network needed.
    Network
  • Attack complexityNo special conditions are needed; the attack works reliably.
    Low
  • Privileges requiredNo account or login is needed.
    None
  • User interactionNo one has to click or open anything; the attack works on its own.
    None
  • ScopeThe damage stays within the vulnerable component.
    Unchanged
  • Confidentiality impactAn attacker can read some data, but has no control over what they get.
    Low
  • Integrity impactAn attacker can change some data, but with limited control or limited effect.
    Low
  • Availability impactAn attacker can take the component down completely or keep it from serving anyone.
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA's assessmentSSVC, from the CVE record
ExploitationActive

Attackers are exploiting this in the wild.

AutomatableYes

Attackers can script the attack end to end and hit many targets at once.

Technical impactPartial

A successful attack gives limited control over the affected software or limited access to its data.

Public exploits

3 found
1 Metasploit1 Exploit-DB1 Scanner template0 GitHub PoCs

Links are to third-party code: never run it outside an isolated lab.

Timeline

  1. 2023-04-03
    CVE published
    CVE List
  2. 2023-04-04
    Metasploit module published
    Pentaho Business Server Auth Bypass and Server Side Template Injection RCE
  3. 2023-04-08
    Exploit published on Exploit-DB
    Pentaho BA Server EE 9.3.0.0-428 - Remote Code Execution (RCE) (Unauthenticated)
  4. 2025-03-03
    Added to CISA KEV
    Confirmed exploitation in the wild
  5. 2025-03-17
    Cloudflare rule names it
    Earliest entry we can see is an update
  6. 2025-06-30
    F5 ships a rule
    Hitachi Vantara Pentaho SSTI
  7. 2026-11-02
    Our test: OWASP Core Rule Set let it through
    paranoia level 1, anomaly threshold 5, default CRS settings
  8. 2026-11-02
    Our test: OWASP Core Rule Set let it through
    paranoia level 2, anomaly threshold 5, default CRS settings

Social

2026-10-20: 0 posts2026-10-21: 0 posts2026-10-22: 0 posts2026-10-23: 0 posts2026-10-24: 0 posts2026-10-25: 0 posts2026-10-26: 0 posts2026-10-27: 0 posts2026-10-28: 0 posts2026-10-29: 0 posts2026-10-30: 0 posts2026-10-31: 0 posts2026-11-01: 0 posts2026-11-02: 0 posts

No posts seen yet on X, Bluesky, Mastodon, Hacker News or GitHub.

Vendor statements

Quoted
CloudflareWAF Managed Rules1 quoteBlocks by default

Named by 2025-03-17; the first entry is an update, so the rule may be older.

2025-03-17Updated…98d47b69Default: BlockSource
Pentaho - Template Injection - CVE:CVE-2022-43769, CVE:CVE-2022-43939. Previous action: Log. New action: Block.
AWSAWS WAF Managed RulesNo public claim

We found no public statement from this vendor naming this CVE. That is not proof of no protection: generic rules may still catch it. AWS often describes a vulnerability without naming its CVE (for example "Log4j"). We count only entries that name the CVE, so AWS coverage is understated.

Microsoft AzureFront Door and Application Gateway WAF (DRS)No public claim

We found no public statement from this vendor naming this CVE. That is not proof of no protection: generic rules may still catch it. The rule tables name CVEs but carry no dates, so Azure is left out of every time-to-rule figure.

Google CloudCloud Armor preconfigured WAF rulesBefore feed history

The CVE predates the oldest entry in this vendor's public feed, so a rule may exist that we cannot see.

FastlyNext-Gen WAF virtual patchesBefore feed history

The CVE predates the oldest entry in this vendor's public feed, so a rule may exist that we cannot see.

F5Attack signatures (Distributed Cloud WAF)1 quoteRule published

First rule 2025-06-30, 819 days after the CVE was published.

2025-06-30New rule200204014Source
Added: signature 200204014 "Hitachi Vantara Pentaho SSTI" (Server Side Code Injection, risk High), systems: Java Servlets/JSP, Other Web Server. References: CVE-2022-43939, CVE-2022-43769.
AkamaiApp & API Protector (Adaptive Security Engine)No public source

This vendor publishes no machine-readable rule changelog we can check.

OWASP CRSCore Rule Set (open source, used inside many WAFs)No public claim

We found no public statement from this vendor naming this CVE. That is not proof of no protection: generic rules may still catch it. CRS rarely names CVEs: it relies on generic detections. Our own lab measures what it actually blocks.