XXE in 4d Server
CVE-2024-39847
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (38.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- 23637b5d-af4c-4cf9-b8f6-deb7fd0f8423 (Exploit, Third Party Advisory)
- 23637b5d-af4c-4cf9-b8f6-deb7fd0f8423 (Product, product)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-39847?
- CVE-2024-39847 is a high-severity vulnerability in 4d Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2026-04-30.
- How severe is CVE-2024-39847?
- High severity. CVSS v3 base score is 7.5 out of 10.