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CVE-2025-52691
Published: Dec 29, 2025
Modified: Feb 26, 2026
PUBLISHED
CVSS v3.1
10.0
CRITICAL
Description
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
| Vendor | Product | Versions |
|---|---|---|
SmarterTools | SmarterMail | affected SmarterMail versions Build 9406 and earlier |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
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