CVE-2020-20254: Null Pointer Dereference
First published: Tue May 18 2021(Updated: )
Mikrotik RouterOs before 6.47 (stable tree) 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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Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2020-20254.
What is the severity of CVE-2020-20254?
The severity of CVE-2020-20254 is medium with a severity value of 6.5.
How does CVE-2020-20254 impact MikroTik RouterOS?
CVE-2020-20254 can cause a Denial of Service (NULL pointer dereference) in MikroTik RouterOS.
How can an attacker exploit CVE-2020-20254?
An authenticated remote attacker can exploit CVE-2020-20254 by causing a memory corruption in the /nova/bin/lcdstat process.
Are there any known fixes or patches available for CVE-2020-20254?
It is recommended to update MikroTik RouterOS to version 6.47 (stable tree) or later to mitigate the vulnerability.
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