Vulnerability · Published Apr 30, 2026 · Assigned by SCHUTZWERK

CVE-2024-39847Arbitrary File Read and Server Side Request Forgery via XML External Entities in 4D Server SOAP

High 8.7

In plain English

A high-severity XML external entity in 4D Server from 4D. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Unauthenticated attackers can exploit a weakness in the XML parser functionality of the SOAP endpoints in 4D server. This allows them to obtain read access to files on the application server and adjacent network shares, and perform HTTP GET requests to arbitrary services.

Affected products (as reported)

VendorProductVersions
4D 4D Server * – through v20 R3

Weakness: CWE-611 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y

References