CVE-2020-20021
HIGHCVSS 7.5/10EPSS 1.34%
Last modified
CVE-2020-20021 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon.. EPSS estimates a 1.34% chance of exploitation in the next 30 days.
Description
An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | <= 6.46.3 |
References
- https://www.exploit-db.com/exploits/48228Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/48228Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-20021?
An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon.
How severe is CVE-2020-20021?
CVE-2020-20021 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.
How do I fix CVE-2020-20021?
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.
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Are you affected by CVE-2020-20021?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST