---
id: CVE-2025-13052
title: >-
  When the user set the Notification's sender to send emails to the SMTP server
  via msmtp, an improper validated TLS/SSL certificates allows an attacker who
  can intercept network traffic between the SMTP client and server to execute a
  man-…
summary: >-
  When the user set the Notification's sender to send emails to the SMTP server
  via msmtp, an improper validated TLS/SSL certificates allows an attacker who
  can intercept network traffic between the SMTP client and server to execute a
  man-…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-295
vendor: asustor
product: data_master
affected:
  - 'data_master >= 4.1.0.RHU2, < 4.3.3.ROF1'
  - 'data_master >= 5.0.0.ra82, < 5.1.1.RCI1'
patched:
  - data_master 5.1.1.RCI1
published: '2025-12-12'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13052'
references:
  - url: 'https://www.asustor.com/security/security_advisory_detail?id=49'
    label: security@asustor.com
tags:
  - nvd
epss: 0.00179
epssPercentile: 0.06817
ingestedAt: '2026-10-07T20:46:46.870Z'
---

## Overview

When the user set the Notification's sender to send emails to the SMTP server via msmtp, an improper validated TLS/SSL certificates allows an attacker who can intercept network traffic between the SMTP client and server to execute a man-in-the-middle (MITM) attack, which may obtain the sensitive information of the SMTP.

Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RKD2 as well as from ADM 5.0.0 through ADM 5.1.0.RN42.

## Affected

- `data_master >= 4.1.0.RHU2, < 4.3.3.ROF1`
- `data_master >= 5.0.0.ra82, < 5.1.1.RCI1`

## Remediation

Upgrade past the affected range:

- `data_master 5.1.1.RCI1`