CVE-2022-40202 Deserialization in InfraSuite Device Master

Critical 9.8 Published 31 Oct 2022 Updated 16 Apr 2025

Unauthenticated deserialization in Delta InfraSuite Device Master allows attackers to execute arbitrary code via malicious serialized objects.

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-2022-40202?

CVE-2022-40202 is a critical unsafe deserialization vulnerability in Delta Electronics InfraSuite Device Master, published on 31 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The database backup function in Delta Electronics InfraSuite Device Master Versions 00.00.01a and prior lacks proper authentication. An attacker could provide malicious serialized objects which, when deserialized, could activate an opcode for a backup scheduling function without authentication. This function allows the user to designate all function arguments and the file to be executed. This could allow the attacker to start any new process and achieve remote code execution.

Weakness: CWE-306

Which versions are affected by CVE-2022-40202?

It affects 1 product.

Products include Deltaww Infrasuite Device Master.

How do I fix CVE-2022-40202?

No fix has been published for CVE-2022-40202 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2022-40202 being exploited?

There is no known exploitation of CVE-2022-40202 in the wild and no public exploit code.

Sources

Also known as GHSA-qmpg-9h7f-2x2x.