CVE-2020-20231: Null Pointer Dereference
First published: Wed Jul 14 2021(Updated: )
Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet 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 | >=6.44.6<=6.48.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-20231?
CVE-2020-20231 is a memory corruption vulnerability in the MikroTik RouterOS through stable version 6.48.3.
How does CVE-2020-20231 affect MikroTik RouterOS?
CVE-2020-20231 can cause a Denial of Service (NULL pointer dereference) in the /nova/bin/detnet process of MikroTik RouterOS.
What is the severity of CVE-2020-20231?
CVE-2020-20231 has a severity rating of 6.5 (Medium).
How can an authenticated remote attacker exploit CVE-2020-20231?
An authenticated remote attacker can exploit CVE-2020-20231 to cause a Denial of Service by triggering a memory corruption in the /nova/bin/detnet process.
Is there a fix available for CVE-2020-20231?
Yes, upgrading MikroTik RouterOS to a version beyond 6.48.3 will fix CVE-2020-20231.
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- version/mikrotik routeros/6.44.6
- version/mikrotik routeros/6.48.3