CVE-2020-20219: Null Pointer Dereference

Published Jul 21, 2021

Updated

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/igmp-proxy process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Affected Software

1 affected component

Mikrotik RouterOS=6.44.6

Event History

Jul 21, 2021

CVE Published

via MITRE·01:25 PM

Data Sourced

via MITRE·01:25 PM

Description

Frequently Asked Questions

What is CVE-2020-20219?

CVE-2020-20219 is a memory corruption vulnerability in the /nova/bin/igmp-proxy process of Mikrotik RouterOs 6.44.6 (long-term tree) that can be exploited by an authenticated remote attacker to cause a Denial of Service (NULL pointer dereference).

How severe is CVE-2020-20219?

CVE-2020-20219 has a severity rating of 6.5 (medium).

What software versions are affected by CVE-2020-20219?

Mikrotik RouterOs 6.44.6 (long-term tree) is affected by CVE-2020-20219.

How can CVE-2020-20219 be exploited?

An authenticated remote attacker can exploit CVE-2020-20219 by manipulating the /nova/bin/igmp-proxy process, causing a Denial of Service (NULL pointer dereference).

Are there any references related to CVE-2020-20219?

Yes, you can find more information about CVE-2020-20219 at the following references: [MikroTik website](https://mikrotik.com/) and [Full Disclosure mailing list](https://seclists.org/fulldisclosure/2021/May/2).