CVE-2025-13052: data master Cert Validation Flaw — Fix

Description

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.

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CVSS v3.1 Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-295 CWE-295

Affected Products

Vendor	Product	Versions
asustor	data_master	4.1.0.RHU2 — 4.3.3.ROF1
asustor	data_master	5.0.0.ra82 — 5.1.1.RCI1

References

Advisories & Patches

https://www.asustor.com/security/security_advisory_detail?id=49

Frequently Asked Questions

What is CVE-2025-13052? +

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. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2025-13052? +

CVE-2025-13052 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-13052? +

CVE-2025-13052 affects products from asustor, specifically: data_master. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-13052? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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