CVE-2026-24933 An improper certificate validation vulnerability was found in ADM while sending HTTPS requests to the server.

High 8.9 Published 3 Feb 2026 Updated 3 Feb 2026

Attackers can intercept sensitive user data via Man-in-the-Middle attacks due to missing SSL/TLS certificate validation in ADM API communications.

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-2026-24933?

CVE-2026-24933 is a high-severity vulnerability in ASUSTOR ADM, published on 3 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The API communication component fails to validate the SSL/TLS certificate when sending HTTPS requests to the server. An improper certificates validation vulnerability allows an unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) attack to intercept the cleartext communication, potentially leading to the exposure of sensitive user information, including account emails, MD5 hashed passwords, and device serial numbers.

Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.

Weakness: CWE-295

Which versions are affected by CVE-2026-24933?

It affects 1 product.

Products include Asustor Data Master.

How do I fix CVE-2026-24933?

No fix has been published for CVE-2026-24933 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-24933 being exploited?

There is no known exploitation of CVE-2026-24933 in the wild and no public exploit code.

Sources

Also known as GHSA-h85p-pj9x-mcrr.