CWE
369
Advisory Published
Updated

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 SoftwareAffected VersionHow to fix
MikroTik RouterOS<6.47

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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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