CVE-2020-20252: Null Pointer Dereference
First published: Tue Jul 13 2021(Updated: )
Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MikroTik RouterOS | <6.47 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-20252?
CVE-2020-20252 is a memory corruption vulnerability in the /nova/bin/lcdstat process of MikroTik RouterOS.
What is the severity of CVE-2020-20252?
CVE-2020-20252 has a severity rating of medium (6.5).
How does CVE-2020-20252 affect MikroTik RouterOS?
CVE-2020-20252 can cause a Denial of Service (NULL pointer dereference) on MikroTik RouterOS before version 6.47.
How can an attacker exploit CVE-2020-20252?
An authenticated remote attacker can exploit CVE-2020-20252 to cause a Denial of Service by triggering a memory corruption in the /nova/bin/lcdstat process.
Is there a fix available for CVE-2020-20252?
Yes, the fix for CVE-2020-20252 is to update MikroTik RouterOS to version 6.47 or later.
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