CVE-2020-12007 Deserialization in GenBroker32

Critical 9.8 Published 16 Jul 2020 Updated 4 Aug 2024

Remote attackers can execute arbitrary code or cause denial of service on Mitsubishi and ICONICS SCADA systems via crafted packets.

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-2020-12007?

CVE-2020-12007 is a critical unsafe deserialization vulnerability in ICONICS GenBroker32, published on 16 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A specially crafted communication packet sent to the affected devices could allow remote code execution and a denial-of-service condition due to a deserialization vulnerability. This issue affects: Mitsubishi Electric MC Works64 version 4.02C (10.95.208.31) and earlier, all versions; Mitsubishi Electric MC Works32 version 3.00A (9.50.255.02); ICONICS GenBroker64, Platform Services, Workbench, FrameWorX Server version 10.96 and prior; ICONICS GenBroker32 version 9.5 and prior.

Weakness: CWE-502

Which versions are affected by CVE-2020-12007?

It affects 11 products.

Products include Iconics Bizviz, Iconics Energy Analytix, Iconics Facility Analytix, Iconics Genesis32, Iconics Genesis64, Iconics Hyper Historian and 5 more.

How do I fix CVE-2020-12007?

No fix has been published for CVE-2020-12007 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-2020-12007 being exploited?

There is no known exploitation of CVE-2020-12007 in the wild and no public exploit code.

Sources

Also known as GHSA-c683-386m-9r6m.