CVE-2024-39847

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

HIGH
7.5
CVSS Score
Published: April 30, 2026 at 07:10 AM UTC
Updated: June 17, 2026 at 07:42 AM UTC
1 product affected across 1 vendorServer

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ v20 R320 r320 r420 r6
Vendor states this is fixed in v20 R7 (unaffected)
Vendor states this is fixed in v20 R4 (unknown)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

ExploitThird Party Advisory
Source: cverecord
https://www.schutzwerk.com/en/blog/schutzwerk-sa-2024-002/
Product
Source: cverecord
https://4d.com
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2026/May/0

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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