CVE-2020-20225

Mikrotik RouterOs before 6.47 (stable tree) suffers from an assertion failure vulnerability in the /nova/bin/user process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

• CWE-617

• http://seclists.org/fulldisclosure/2021/May/12Mailing List, Third Party Advisory
• https://mikrotik.com/Vendor Advisory
• http://seclists.org/fulldisclosure/2021/May/12Mailing List, Third Party Advisory
• https://mikrotik.com/Vendor Advisory

Published

Jul 7, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-20218Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a mem…6.5
• CVE-2020-20219Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a mem…6.5
• CVE-2020-2022An information exposure vulnerability exists in Palo Alto Ne…7.5
• CVE-2020-20220Mikrotik RouterOs prior to stable 6.47 suffers from a memory…6.5
• CVE-2020-20221Mikrotik RouterOs before 6.44.6 (long-term tree) suffers fro…6.5
• CVE-2020-20222Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a mem…6.5
• CVE-2020-20227Mikrotik RouterOs stable 6.47 suffers from a memory corrupti…6.5
• CVE-2020-2023Kata Containers doesn't restrict containers from accessing t…6.3
• CVE-2020-20230Mikrotik RouterOs before stable 6.47 suffers from an uncontr…6.5
• CVE-2020-20231Mikrotik RouterOs through stable version 6.48.3 suffers from…6.5
• CVE-2020-20236Mikrotik RouterOs 6.46.3 (stable tree) suffers from a memory…6.5
• CVE-2020-20237Mikrotik RouterOs 6.46.3 (stable tree) suffers from a memory…6.5