CVE-2022-43939
CVE-2022-43939 is a security flaw in Hitachi Vantara Pentaho Business Analytics (BA) Server. Attackers can reach parts of Hitachi Vantara Pentaho Business Analytics (BA) Server that should be locked to them. The US Cybersecurity and Infrastructure Security Agency (CISA) added it to its catalog of flaws known to be used in attacks on 3 Mar 2025.[1]
Hitachi Vantara Pentaho Business Analytics (BA) Server is business software or equipment. Most families won’t have it, but attackers break into it to get inside companies, and from there to what those companies hold about their customers, patients and staff. Fixed in version 9.3.0.2 and 9.4.0.1 of Pentaho Business Analytics Server.
Description
CISA calls it a pentaho BA server authorization bypass in Hitachi Vantara Pentaho Business Analytics (BA) Server. In its words: “Hitachi Vantara Pentaho BA Server contains a use of non-canonical URL paths for authorization decisions vulnerability that enables an attacker to bypass authorization.”[1]
The underlying weakness is CWE-647, in MITRE’s list of common software weaknesses.[2]
It scores 9.8 out of 10 on the Common Vulnerability Scoring System, which rates it critical, scored by NVD using CVSS 3.1.[2]
Affected versions
NVD’s record lists these fixed versions: in each line, everything before the version shown is affected.[2]
| Product | Fixed in |
|---|---|
| Pentaho Business Analytics Server | 9.3.0.2 |
| Pentaho Business Analytics Server | 9.4.0.1 |
Most families won’t have Hitachi Vantara Pentaho Business Analytics (BA) Server; it’s for whoever looks after IT at work.
Exploitation
CISA added it to its catalog of known exploited vulnerabilities on 3 Mar 2025, 700 days after it was made public. CISA lists a flaw only when it has reliable evidence of it being exploited, and gave US federal agencies until 24 Mar 2025 to fix it.[1]
FIRST’s Exploit Prediction Scoring System, which estimates how likely a flaw is to be used in attacks in the next 30 days from what it sees across the internet, puts it at 92%. That’s in the top 1% of the flaws it scores.[4]
CISA assesses it as automatable: attackers can run it against many targets at once.
CISA doesn’t say who was attacked, or how.
Fix
Hitachi Vantara has published a fix or advice.[3] CISA’s required action: “Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.”[1]
- Check whether you use it.Hitachi Vantara Pentaho Business Analytics (BA) Server is business software or equipment, so most families won’t have it. If you run a business, or work from home on company equipment, ask whoever looks after your IT.
- Send this page to your IT person.Ask them to confirm it’s fixed (fixed in version 9.3.0.2 and 9.4.0.1 of Pentaho Business Analytics Server), or not in use. CISA gave US government agencies until 24 Mar 2025 to fix it.
- If it can’t be fixed, take it offline.CISA’s advice when there’s no fix is to stop using the product, or take it off the internet, until there is one.
You can’t fix someone else’s server, but you can watch for what follows a break-in like this: a breach notice, a password reset you didn’t ask for, or a scam message that knows things it shouldn’t. HARD watches for those for you and your family.
Timeline
| Date | Event |
|---|---|
| The flaw is made public in the National Vulnerability Database, with a severity score of 9.8.[2] | |
| CISA adds it to its catalog of flaws known to be used in attacks.[1] | |
| CISA’s deadline for US government agencies to fix it.[1] | |
| FIRST puts the odds of it being used in attacks in the next 30 days at 92%.[4] |
See also
Other Hitachi Vantara Pentaho Business Analytics (BA) Server flaws
- CVE-2022-43769: pentaho BA server special element injection ·
Added the same day
- CVE-2024-4885, Progress WhatsUp Gold: path traversal ·
- CVE-2023-20118, Cisco Small Business RV Series Routers: command injection ·
- CVE-2022-43769, Hitachi Vantara Pentaho Business Analytics (BA) Server: pentaho BA server special element injection ·
- CVE-2018-8639, Microsoft Windows: win32k improper resource shutdown or release ·
References
- ^ Cybersecurity and Infrastructure Security Agency. “Hitachi Vantara Pentaho BA Server Authorization Bypass Vulnerability”. Known Exploited Vulnerabilities Catalog, added 3 Mar 2025.
- ^ National Institute of Standards and Technology. “CVE-2022-43939 Detail”. National Vulnerability Database, published 3 Apr 2023.
- ^ Hitachi Vantara. Advisories and fixes: support.pentaho.com.
- ^ FIRST. “Exploit Prediction Scoring System”. EPSS 0.923, percentile 99.8, 31 Oct 2026.
- CVE Program. “CVE-2022-43939”. The official CVE record.
This article is built from CISA’s catalog (version 2026.10.30), NVD’s record and FIRST’s scores, kept in HARD’s database and checked every morning. The plain English is HARD’s.