JVN#23423519    
DataSpider Servista improper restriction of XML external entity references

DataSpider Servista provided by Saison Technology Co.,Ltd. improperly restricts XML external entity references.

• DataSpider Servista 4.4 and earlier

The developer states that some of DataSpider Servista's OEM products are affected by this vulnerability.
For information on the affected products and the versions, refer to the vendors' advisories from "Vendor Status" of this JVN advisory.

DataSpider Servista provided by Saison Technology Co.,Ltd. is a data integration software.
DataSpider Servista contains the following vulnerability.

• Improper restriction of XML external entity reference (CWE-611)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N Base Score 8.8
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L Base Score 8.2
  • CVE-2025-48006

If a specially crafted request is processed, arbitrary files on the file system where the server application for the product is installed may be read, or may cause a denial-of-service (DoS) condition.

Update the software
Update the software to the latest version according to the information provided by the developer.

Vendor	Link
Saison Technology Co.,Ltd.	Notice of XML External Entity (XXE) Vulnerability in DataSpider Servista (Text in Japanese, PDF)
TerraSky Co., Ltd.	Notice of XML External Entity (XXE) Vulnerability in DCSpider (Text in Japanese, PDF)

Shigeaki Tsunoda of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.