# CVE-2025-6205: DELMIA Apriso - Authentication Bypass

> Live exploitation tracking for CVE-2025-6205 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2025-6205

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.1
- **Public exploit available:** Yes
- **Affected products:** Dassault Systèmes DELMIA Apriso
- **Weaknesses:** CWE-862 (Missing Authorization)
- **Tags:** enterprise_software

## Description

A missing authorization vulnerability affecting DELMIA Apriso from Release 2020 through Release 2025 could allow an attacker to gain privileged access to the application.

## CrowdSec analysis

[CVE-2025-6205](https://euvd.enisa.europa.eu/vulnerability/CVE-2025-6205) is a high-severity missing authorization vulnerability in DELMIA Apriso from Release 2020 through Release 2025, which could allow attackers to gain privileged access to the application without proper authorization. This flaw may enable threat actors to access sensitive data or perform unauthorized actions, posing significant risks to the integrity and confidentiality of affected systems.

CrowdSec has been tracking this vulnerability and its exploits since 15th of October 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2025-6205 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting.
CrowdSec data also reveals a clear uptick in attacks involving CVE-2025-6205 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

Attackers exploit this vulnerability by sending crafted SOAP requests to the `/Apriso/MessageProcessor/FlexNetMessageProcessor.svc` endpoint, bypassing authorization controls to gain privileged access.

## Timeline

- 2025-08-04: CVE Published. CVE-2025-6205 is published to NVD.
- 2025-10-15: Rule Released. CrowdSec releases a rule to detect CVE-2025-6205 exploitation attempts against the CrowdSec Network.
- 2025-10-27: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2025-6205 for the first time.
- 2025-10-28: CISA KEV. CVE-2025-6205 is added to the Known Exploited Vulnerabilities catalog by CISA.
- 2025-11-18: CISA Remediation Deadline. Expiration of the CISA remediation deadline as described in [BOD 22-01](https://www.cisa.gov/news-events/directives/bod-22-01-reducing-significant-risk-known-exploited-vulnerabilities).

## References

- https://www.3ds.com/trust-center/security/security-advisories/cve-2025-6205
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-6205.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2025-6205) follows observed exploitation activity for CVE-2025-6205. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.