CVE-2024-21796 — Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ve

Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ver1.0.4 and Electronic Deliverables Creation Support Tool (Design & Survey Edition) prior to Ver1.0.4 improperly restrict XML external entity references (XXE). By processing a specially crafted XML

01What is this vulnerability?

Electronic Deliverables Creation Support Tool (Construction Edition) prior to Ver1.0.4 and Electronic Deliverables Creation Support Tool (Design & Survey Edition) prior to Ver1.0.4 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.

02Affected products

Vendor	Product	Versions
Ministry of Defense	Electronic Deliverables Creation Support Tool (Construction Edition)	prior to Ver1.0.4
Ministry of Defense	Electronic Deliverables Creation Support Tool (Design & Survey Edition)	prior to Ver1.0.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-01-24T01:32:53.509Z
• Last modified: 2024-09-10T18:01:34.579Z

09References

• www.dfeg.mod.go.jp — https://www.dfeg.mod.go.jp/hp/contents-dfis/tool.html
• jvn.jp — https://jvn.jp/en/jp/JVN40049211/