CWE-647
Use of Non-Canonical URL Paths for Authorization Decisions
The product defines policy namespaces and makes authorization decisions based on the assumption that a URL is canonical. This can allow a non-canonical URL to bypass the authorization.
CVE-2022-43939 (GCVE-0-2022-43939)
Vulnerability from cvelistv5
Published
2023-04-03 18:10
Modified
2025-07-30 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-647 - Use of Non-Canonical URL Paths for Authorization Decisions
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Hitachi Vantara | Pentaho Business Analytics Server |
Version: 1.0 Version: 9.4.0.0 |
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"containers": {
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"references": [
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"tags": [
"x_transferred"
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"url": "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-"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/172296/Pentaho-Business-Server-Authentication-Bypass-SSTI-Code-Execution.html"
}
],
"title": "CVE Program Container"
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{
"metrics": [
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"other": {
"content": {
"id": "CVE-2022-43939",
"options": [
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"Exploitation": "active"
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{
"Automatable": "yes"
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{
"Technical Impact": "partial"
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],
"role": "CISA Coordinator",
"timestamp": "2025-03-03T20:12:20.089787Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2025-03-03",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-43939"
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"providerMetadata": {
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"value": "CVE-2022-43939 added to CISA KEV"
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],
"title": "CISA ADP Vulnrichment"
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],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Pentaho Business Analytics Server",
"vendor": "Hitachi Vantara",
"versions": [
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"lessThan": "9.3.0.2",
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"version": "1.0",
"versionType": "maven"
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{
"lessThan": "9.4.0.1",
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"version": "9.4.0.0",
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],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "Harry Withington, Aura Information Security"
}
],
"descriptions": [
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"lang": "en",
"supportingMedia": [
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"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eHitachi 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.\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;\u003c/span\u003e"
}
],
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"impacts": [
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"capecId": "CAPEC-3",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-3 Using Leading \u0027Ghost\u0027 Character Sequences to Bypass Input Filters"
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"metrics": [
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"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
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"scenarios": [
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"problemTypes": [
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"providerMetadata": {
"dateUpdated": "2023-05-11T17:06:45.071Z",
"orgId": "dce6e192-ff49-4263-9134-f0beccb9bc13",
"shortName": "HITVAN"
},
"references": [
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"url": "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-"
},
{
"url": "http://packetstormsecurity.com/files/172296/Pentaho-Business-Server-Authentication-Bypass-SSTI-Code-Execution.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Hitachi Vantara Pentaho Business Analytics Server - Use of Non-Canonical URL Paths for Authorization Decisions",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "dce6e192-ff49-4263-9134-f0beccb9bc13",
"assignerShortName": "HITVAN",
"cveId": "CVE-2022-43939",
"datePublished": "2023-04-03T18:10:32.141Z",
"dateReserved": "2022-10-26T21:25:26.142Z",
"dateUpdated": "2025-07-30T01:37:28.295Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Phase: Architecture and Design
Description:
- Make access control policy based on path information in canonical form. Use very restrictive regular expressions to validate that the path is in the expected form.
Mitigation
Phase: Architecture and Design
Description:
- Reject all alternate path encodings that are not in the expected canonical form.
No CAPEC attack patterns related to this CWE.