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CVE-2021-33718 Mendix

Affected softwareMendix
Severity5.3 Medium CVSS 3.1 2 scores
WeaknessIncorrect authorization (CWE-863)
Published13 Jul 2021
Updated17 Jun 2026

Description

A vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.22), Mendix Applications using Mendix 8 (All versions < V8.18.7), Mendix Applications using Mendix 9 (All versions < V9.3.0). Write access checks of attributes of an object could be bypassed, if user has a write permissions to the first attribute of this object.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 5 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 0.58% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (siemens/mendix). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

CVSS

5.3 MEDIUM v3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N NVD Primary published
CVSS 2.0 3.5 none AV:N/AC:M/Au:S/C:N/I:P/A:N NVD Primary

Affected software and releases

Products and versions

1 product, 3 version entries
SourceVendorProductSchemeAffected versions
nvd siemens mendix generic ≥ 7.0 and < 7.23.22 · ≥ 8.0 and < 8.18.7 · ≥ 9.0 and < 9.3.0

References

URLTags
https://cert-portal.siemens.com/productcert/pdf/ssa-352521.pdf Vendor Advisory

Timeline

Published2021-07-13By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.