CVE-2025-52691

Upload Arbitrary Files

Published Dec 29, 2025 CVSS 3.1 · 10 Critical EPSS 85.7% KEV · Listed
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.

Remediation

Vendor Solution

Users and administrators of affected product versions are advised to update to SmarterMail version Build 9413 immediately.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-01-26T00:00:00+00:00', 'dueDate': '2026-02-16T00:00:00+00:00'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Smartertools
Smartertools smartermail
Vendors & Products Smartertools
Smartertools smartermail
Type Values Removed Values Added
Weaknesses CWE-434
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Upload Arbitrary Files
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CSA
Published
Updated
Feb 26, 2026, 4:07 PM
Reserved
Jun 19, 2025, 6:04 AM
Status
Analyzed
Published
Dec 29, 2025, 3:15 AM
Modified
Oct 7, 2026, 12:10 PM