EUVD-2026-88691
GHSA-7ch6-fqvg-6pxp
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Unauthenticated network access to an exposed test servlet (PR:N/AV:N/AC:L) with required user interaction (UI:R); config upload yields high confidentiality and integrity impact, no availability effect.
Primary rating from Vendor (Hitachi Energy).
CVSS VectorVendor: Hitachi Energy
Lifecycle Timeline
3DescriptionCVE.org
Asset Suite allows unauthenticated users to access HTTPPublishAdapterTestServlet that can be used for configuration file upload, leading to information disclosure and integrity compromise. The HTTPPublishAdapterTestServlet is specifically meant for testing purposes to be used in a non-production environment.
Articles & Coverage 1
AnalysisAI
Remote attackers without authentication can access the HTTPPublishAdapterTestServlet on Hitachi Energy Asset Suite deployments where the test servlet is exposed, allowing configuration file uploads that can disclose sensitive information and compromise configuration integrity. The flaw is CWE-306 missing authentication, rated CVSS 4.0 8.5 (High), with high confidentiality and integrity impact but no availability impact, and exploitation requires user interaction per the CVSS vector (UI:A). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the HTTPPublishAdapterTestServlet - a servlet the vendor states is meant only for testing in non-production environments - be deployed and network-reachable on a production Asset Suite instance; against a correctly configured production deployment the endpoint should be absent. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 8.5 (High) reflects a network-reachable, unauthenticated flaw (AV:N/AC:L/PR:N) with high confidentiality and integrity impact (VC:H/VI:H) but no availability impact - consistent with CWE-306 missing authentication on a servlet that permits configuration-file upload. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The provided input does not specify an exact patched version; consult the Hitachi Energy advisory at https://publisher.hitachienergy.com/preview?DocumentID=8DBD000254&LanguageCode=en&DocumentPartId=&Action=Launch for vendor-released updates and apply them, or remove/disable the HTTPPublishAdapterTestServlet in production. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Hitachi Energy Asset Suite instances, determine from the running configuration which production deployments still contain or expose the HTTPPublishAdapterTestServlet, and immediately block external reachability to that servlet path at the reverse proxy, load balancer, or WAF; where the servlet is confirmed present in production and is not operationally required, disable it or remove it in line with Hitachi Energy's own advisory guidance, and pull historical web and application logs for evidence of prior access. …
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External POC / Exploit Code
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