Dassault Systemes DELMIA Apriso Missing Authorization Vulnerability (CVE-2025-6205) Analysis and Mitigation Guide
Executive & SecOps Summary
SECOPS ASSESSMENTDELMIA Apriso from Release 2020 through Release 2025
Unauthenticated remote attackers can bypass authorization checks to gain privileged access to the application
Apply official security patches immediately, restrict external access, and enforce IP-based access control lists
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Apply the official security hotfix or upgrade to the latest minor release provided by Dassault Systemes. Before applying the patch, stop the IIS services and take a full backup of the installation directory.
# Stop IIS Web Services
Stop-Service -Name 'W3SVC'
Stop-Service -Name 'WAS'
# Backup Apriso Installation Directory (Example Path)
xcopy 'C:\Program Files\Dassault Systemes\DELMIA Apriso' 'C:\Backup\DELMIA_Apriso_Backup' /E /I /H /Y
# [Execute the official patch installer, then restart IIS]
Start-Service -Name 'WAS'
Start-Service -Name 'W3SVC'2. Temporary Workaround & Hardening Configuration
If patching cannot be performed immediately, restrict access to the DELMIA Apriso portal using IIS IP Address and Domain Restrictions to allow only trusted internal networks.
<!-- Example IIS web.config snippet to restrict access to trusted subnets -->
<configuration>
<system.webServer>
<security>
<ipSecurity allowUnlisted='false'>
<!-- Allow trusted administrator IP range only -->
<add ipAddress='10.0.0.0' subnetMask='255.0.0.0' allowed='true' />
<add ipAddress='127.0.0.1' allowed='true' />
</ipSecurity>
</security>
</system.webServer>
</configuration>3. Log Audit & IoC Verification Commands
Inspect IIS access logs for anomalous requests targeting Apriso administrative endpoints without proper session tokens or credentials.
# Search IIS logs for suspicious POST requests to Apriso endpoints
Select-String -Path 'C:\inetpub\logs\LogFiles\W3SVC1\*.log' -Pattern 'POST /Apriso/' | Where-Object { $_ -match ' 200 ' -and $_ -notmatch 'authorized_user' }Block Exploits Instantly with Managed Virtual Patching Rules
Can't patch production immediately? Deploy managed WAF rules at the edge to intercept RCE, SQLi, and deserialization payloads before they hit your origin server.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2025-6205) is a critical missing authorization flaw (CWE-862) in Dassault Systemes DELMIA Apriso, a prominent Manufacturing Execution System (MES). The root cause lies in the application's failure to perform proper authorization checks on specific sensitive endpoints or API functions, allowing requests to be processed without verifying the caller's privilege level.
2. Exploitation Mechanics & Attack Scenario
An attacker can exploit this vulnerability by sending specially crafted HTTP requests directly to the vulnerable DELMIA Apriso endpoints. Because the server lacks robust authorization validation for these requests, it executes administrative actions on behalf of the unauthenticated sender. This allows the attacker to escalate privileges, modify system configurations, or access proprietary manufacturing data.
3. Infrastructure & Business Impact
DELMIA Apriso is widely deployed in global manufacturing environments to manage production, logistics, and quality. Since this vulnerability is listed in the CISA KEV catalog, successful exploitation poses an immediate threat, potentially leading to unauthorized production modifications, intellectual property theft, or complete operational disruption.
Official Vendor Advisories & References
A missing authorization vulnerability affecting DELMIA Apriso from Release 2020 through Release 2025 could allow an attacker to gain privileged access to the application.
Frequently Asked SecOps Questions (CVE-2025-6205)
FAQQ1. How critical is CVE-2025-6205 and is it actively exploited in the wild?
CVE-2025-6205 is rated CVSS 9.1 (CRITICAL) with a 30-day EPSS exploitation probability of 67.2%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2025-6205?
Primary impacted vendors include dassault systemes across delmia apriso. Scope summary: DELMIA Apriso Release 2020, 2021, 2022, 2023, 2024, and 2025
Q3. What temporary mitigations or workarounds exist for CVE-2025-6205 before patching?
[Mitigation] Apply official security patches immediately, restrict external access, and enforce IP-based access control lists Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2025-6205
Instantly format this advisory into an executive CISO summary or engineering patch ticket.
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