CVE-2020-12009 Deserialization in GenBroker32

What is CVE-2020-12009?

CVE-2020-12009 is a high-severity 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 device could cause a denial-of-service condition due to a deserialization vulnerability. This 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 v10.96 and prior; ICONICS GenBroker32 v9.5 and prior.

Weakness: CWE-502

Which versions are affected by CVE-2020-12009?

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-2020-12009?

No fix has been published for CVE-2020-12009 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-2020-12009 being exploited?

There is no known exploitation of CVE-2020-12009 in the wild and no public exploit code.

Other vulnerabilities in ICONICS GenBroker32

• CVE-2011-5089 Memory corruption in n/a Critical 10.0
• CVE-2020-12007 Deserialization in GenBroker32 Critical 9.8
• CVE-2020-12011 Memory corruption in GenBroker32 Critical 9.8
• CVE-2011-5088 Security feature bypass in n/a Critical 9.3
• CVE-2011-2089 Memory corruption in n/a Critical 9.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-ww65-5fcm-v6g6.