CWE
400
Advisory Published
Updated

CVE-2020-20230

First published: Mon Jul 19 2021(Updated: )

Mikrotik RouterOs before stable 6.47 suffers from an uncontrolled resource consumption in the sshd process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
MikroTik RouterOS<6.47

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Frequently Asked Questions

  • What is CVE-2020-20230?

    CVE-2020-20230 is a vulnerability in Mikrotik RouterOS that allows an authenticated remote attacker to cause a Denial of Service (DoS) by consuming excessive system resources.

  • What is the severity of CVE-2020-20230?

    The severity of CVE-2020-20230 is medium, with a severity score of 6.5.

  • How does CVE-2020-20230 affect Mikrotik RouterOS?

    CVE-2020-20230 affects Mikrotik RouterOS versions before 6.47, causing uncontrolled resource consumption in the sshd process.

  • How can an attacker exploit CVE-2020-20230?

    An attacker with authenticated access to the affected Mikrotik RouterOS can exploit CVE-2020-20230 by overloading the system's CPU, leading to a Denial of Service (DoS) condition.

  • Is there a fix for CVE-2020-20230?

    Yes, updating Mikrotik RouterOS to version 6.47 or later will fix the CVE-2020-20230 vulnerability.

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