CVE-2021-4198 messaging_ipc.dll NULL Pointer Dereference in multiple Bitdefender products (VA-10016)

Medium 6.1 Published 7 Mar 2022 Updated 17 Sep 2024

An attacker can crash Bitdefender security products by triggering a null pointer dereference in the messaging IPC component.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-4198?

CVE-2021-4198 is a medium-severity vulnerability in Bitdefender Antivirus Plus, published on 7 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A NULL Pointer Dereference vulnerability in the messaging_ipc.dll component as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools, VPN Standalone allows an attacker to arbitrarily crash product processes and generate crashdump files. This issue affects: Bitdefender Total Security versions prior to 26.0.3.29. Bitdefender Internet Security versions prior to 26.0.3.29. Bitdefender Antivirus Plus versions prior to 26.0.3.29. Bitdefender Endpoint Security Tools versions prior to 7.2.2.92. Bitdefender VPN Standalone versions prior to 25.5.0.48.

Weakness: CWE-476

Which versions are affected by CVE-2021-4198?

It affects 5 products.

Products include Bitdefender Antivirus Plus, Bitdefender Endpoint Security Tools, Bitdefender Internet Security, Bitdefender Total Security, Bitdefender Vpn Standalone.

How do I fix CVE-2021-4198?

No fix has been published for CVE-2021-4198 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-4198 being exploited?

There is no known exploitation of CVE-2021-4198 in the wild and no public exploit code.

Sources

Also known as GHSA-6hmq-vw9f-p5pf.