CVE-2020-8884 Deserialization in n/a

High 8.8 Published 6 Jan 2021 Updated 4 Aug 2024

Remote authenticated users can execute arbitrary code as SYSTEM via improper deserialization in the Proofpoint Insider Threat Management Windows Agent.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-8884?

CVE-2020-8884 is a high-severity unsafe deserialization vulnerability in n/a, published on 6 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

rcdsvc in the Proofpoint Insider Threat Management Windows Agent (formerly ObserveIT Windows Agent) before 7.9 allows remote authenticated users to execute arbitrary code as SYSTEM because of improper deserialization over named pipes.

Weakness: CWE-502

Which versions are affected by CVE-2020-8884?

It affects 1 product.

Products include Proofpoint Insider Threat Management.

How do I fix CVE-2020-8884?

No fix has been published for CVE-2020-8884 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-2020-8884 being exploited?

There is no known exploitation of CVE-2020-8884 in the wild and no public exploit code.

Sources

Also known as GHSA-hrpm-72v9-33v3.