Local code execution via planted DLL loading
Published Dec 10, 2025 · Updated Dec 10, 2025
Uncontrolled DLL loading in MailEnable before 10.54 allows local users to execute code by planting MEAIAU.DLL in its installation directory. The administrative executable searches that directory for MEAIAU.DLL without integrity validation or a secure search order, then loads an attacker-supplied replacement. Exploitation requires local write access to the directory and runs the planted code with the process privileges.
Summary
What happened
Uncontrolled DLL loading in MailEnable before 10.54 allows local users to execute code by planting MEAIAU.DLL in its installation directory. The administrative executable searches that directory for MEAIAU.DLL without integrity validation or a secure search order, then loads an attacker-supplied replacement. Exploitation requires local write access to the directory and runs the planted code with the process privileges.
The record
- CVE
- CVE-2025-34423
- Published
- Dec 10, 2025
- Updated
- Dec 10, 2025
- Vendor
- MailEnable
- Product
- MailEnable
- Classifications
- CWE-427, T1574.001
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Dec 10, 2025CVE publishedPublication date reported by the CVE source.
- Dec 10, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <10.54
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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