CVE-2025-5086 Dassault Systèmes DELMIA Apriso Deserialization of Untrusted Data Vulnerability
Dassault Systèmes DELMIA Apriso contains a deserialization of untrusted data vulnerability that could lead to a remote code execution.
From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.
Should You Worry?
- CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 11 Sep 2025.
- Rated Critical severity (CVSS 9.0, scored by Vendor).
- It has been in the catalogue for 421 days. Systems still unpatched now have almost certainly been scanned for it.
What It Is
A deserialization of untrusted data vulnerability affecting DELMIA Apriso from Release 2020 through Release 2025 could lead to a remote code execution.
Affected Versions
| Product | Versions |
|---|---|
| Dassault Systèmes DELMIA Apriso | Release 2020 Golden to Release 2020 SP4 Release 2021 Golden to Release 2021 SP3 Release 2022 Golden to Release 2022 SP3 Release 2023 Golden to Release 2023 SP3 Release 2024 Golden to Release 2024 SP1 Release 2025 Golden to Release 2025 SP1 |
From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.
What To Do Now
- 1
Find it
Search your asset inventory and external attack surface for Dassault Systèmes DELMIA Apriso. Include cloud images, appliances and anything a supplier runs for you.
Attack Surface Management - 2
Fix it
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Management - 3
Hunt for compromise
If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.
Incident Response - 4
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
Not Sure If You Are Exposed?
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