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CVE-2025-49217 is a critical insecure deserialization vulnerability in Trend Micro Endpoint Encryption PolicyServer. The flaw is associated with improper validation of attacker-controlled input in the ValidateToken method, allowing crafted serialized data to be processed before authentication. Successful exploitation can trigger deserialization of untrusted data and result in remote code execution on affected installations. The issue is similar in exploitation pattern to CVE-2025-49213, but occurs in a different method. Affected versions include Trend Micro Endpoint Encryption PolicyServer 6.0 builds prior to 6.0.0.4013, addressed in Patch 1 Update 6.
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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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Trend Micro Endpoint Encryption (TMEE) PolicyServer pre-auth remote code execution vector caused by insecure deserialization.
Pre-authentication remote code execution (RCE) in Trend Micro Endpoint Encryption Policy Server caused by insecure deserialization.
Critical remote code execution vulnerability in Trend Micro Endpoint Encryption PolicyServer caused by improper input validation in the ValidateToken method leading to unsafe deserialization.
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.