CVE-2020-20264: Divide by Zero
First published: Wed May 19 2021(Updated: )
Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.
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-2020-20264?
CVE-2020-20264 is a vulnerability found in MikroTik RouterOS before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process, which can be exploited by an authenticated remote attacker to cause a Denial of Service due to a divide by zero error.
What is the severity of CVE-2020-20264?
CVE-2020-20264 has a severity level of 6.5 (medium).
How does CVE-2020-20264 affect MikroTik RouterOS?
CVE-2020-20264 affects MikroTik RouterOS before version 6.47 (stable tree).
How can an attacker exploit CVE-2020-20264?
An authenticated remote attacker can exploit CVE-2020-20264 by causing a Denial of Service through a divide by zero error in the /ram/pckg/advanced-tools/nova/bin/netwatch process.
Is there a fix available for CVE-2020-20264?
Yes, updating MikroTik RouterOS to version 6.47 (stable tree) or newer will fix the vulnerability.
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