SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-20230

An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

MEDIUM 6.5EPSS 1.94%

Does this matter?

Lower severity and a low EPSS score (1.94%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
1.94% probability · 80th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-400
Affected
mikrotik/routeros
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.94%26 October 202626 October 2026

EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.