CVE-2025-13052 An improper certificates validation vulnerability was found in the Notification settings of ADM

High 7.0 Published Updated

Improper TLS certificate validation in ADM email notifications allows man-in-the-middle attackers to intercept sensitive SMTP data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-13052?

CVE-2025-13052 is a high-severity vulnerability in ASUSTOR ADM, published on 12 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-295

Which versions are affected by CVE-2025-13052?

It affects 1 product.

Products include Asustor Data Master.

How do I fix CVE-2025-13052?

No fix has been published for CVE-2025-13052 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-13052 being exploited?

There is no known exploitation of CVE-2025-13052 in the wild and no public exploit code.

Sources

Also known as GHSA-9cx6-52c2-phg6.

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