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Fencer Vulns
critical 9.8

CVE-2023-38693 json

RCE in Lucee REST endpoint

published 2025-03-05 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-42476 , GHSA-vwjx-mmwm-pwrf

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

Lucee Server (or simply Lucee) is a dynamic, Java based, tag and scripting language used for rapid web application development. The Lucee REST endpoint is vulnerable to RCE via an XML XXE attack. This vulnerability is fixed in Lucee 5.4.3.2, 5.3.12.1, 5.3.7.59, 5.3.8.236, and 5.3.9.173.

Patch / fix

  • maven org.lucee:lucee 5.3.8.236, 5.3.9.173, 5.3.12.1, 5.4.3.2
  • lucee lucee_server 5.3.7.59, 5.3.8.236, 5.3.9.173, 5.3.12.1, 5.4.3.2
  • org.lucee lucee 5.3.7.59, 5.3.8.236, 5.3.9.173, 5.3.12.1, 5.4.3.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.lucee:lucee
>=5.3.10.79-RC, <5.3.12.1
>=5.4.0.65-RC, <5.4.3.2
<=5.3.7.59
>=5.3.8.132-RC, <5.3.8.236
>=5.3.9.113, <5.3.9.173
5.3.12.1
5.4.3.2
5.3.8.236
5.3.9.173

Affected products

  • lucee Lucee

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.