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CVE-2025-5086 is a deserialization of untrusted data vulnerability in Dassault Systèmes DELMIA Apriso FlexNet affecting Release 2020 through Release 2025. The vulnerable FlexNet WCF service uses NetDataContractSerializer and is reachable without authentication under a binding configured without security. An unauthenticated SOAP request can abuse serializer metadata to trigger code execution on the DELMIA Apriso host.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
68 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical vulnerability in Dassault Systèmes DELMIA Apriso MOM software that CISA reports is actively exploited in the wild.
A deserialization of untrusted data vulnerability in DELMIA Apriso, allowing remote unauthenticated code execution via malicious SOAP/HTTP requests.
A critical vulnerability in Dassault Systèmes DELMIA Apriso referenced as being exploited in the wild (specific flaw type not described in the content).
A deserialization of untrusted data vulnerability in Dassault Systèmes Delmia Apriso that has been exploited to deliver malware (including spyware/keylogging capability).
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.