CVE-2020-20230
MEDIUMCVSS 6.5/10EPSS 1.94%
Last modified
CVE-2020-20230 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.94% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | < 6.47 |
References
- https://cwe.mitre.org/data/definitions/400.htmlTechnical Description
- https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20230/README.mdExploit, Third Party Advisory
- https://cwe.mitre.org/data/definitions/400.htmlTechnical Description
- https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20230/README.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-20230?
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.
How severe is CVE-2020-20230?
CVE-2020-20230 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.94% probability of exploitation in the next 30 days.
How do I fix CVE-2020-20230?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- 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.
Related CVEs from 2020
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- CVE-2020-20222Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a mem…6.5
- CVE-2020-20225Mikrotik RouterOs before 6.47 (stable tree) suffers from an …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-2020-20231Mikrotik 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
- CVE-2020-2024An improper link resolution vulnerability affects Kata Conta…6.5
- CVE-2020-20245Mikrotik RouterOs stable 6.46.3 suffers from a memory corrup…6.5
- CVE-2020-20246Mikrotik RouterOs stable 6.46.3 suffers from a memory corrup…6.5
Are you affected by CVE-2020-20230?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST