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MEDIUM

CVE-2020-20230

CVSS v3

6.5

MEDIUM

EPSS Score

1.9 %

exploit probability, as of 2026-10-03

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2021-07-19

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.

Is CVE-2020-20230 actively exploited?

Active exploitation of CVE-2020-20230 has not been confirmed. Its EPSS score was 1.9% on 2026-10-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-20230?

CVE-2020-20230 has a CVSS v3 base score of 6.5 (MEDIUM severity).

Is CVE-2020-20230 affecting your environment?

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