A vulnerability has been identified in Mendix Excel Importer Module (All versions < V9.0.3).

published 2021-05-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-18249

cvss: 4.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

A vulnerability has been identified in Mendix Excel Importer Module (All versions < V9.0.3). Uploading a manipulated XML File results in an exception that could expose information about the Application-Server and the used XML-Framework.

Patch / fix

fixed in 1

mendix excel_importer 9.0.3

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-131-09 updated 2025-05-06 cvss 4.3

Siemens Mendix Excel Importer Module

Siemens Mendix Excel Importer Module <V9.0.3
affected: fixed in V9.0.3 marketplace.mendix.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Siemens Mendix Excel Importer Module

Classification

Weakness

CWE-209 Generation of Error Message Containing Sensitive Information

References

cert-portal.siemens.com /productcert/pdf/ssa-854248.pdf
vendor-advisory
us-cert.cisa.gov /ics/advisories/icsa-21-131-09
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-31339
NVD CVE-2021-31339

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.

Summary