Detections
Analytics

Mikro Tik (CVE-2020-20021)

high Tenable OT Security Plugin ID 502047

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.exploit-db.com/exploits/48228

Plugin Details

Severity: High

ID: 502047

File Name: tenable_ot_mikrotik_CVE-2020-20021.nasl

Version: 1.3

Type: Remote

Family: Tenable.ot

Published: 2/27/2024

Updated: 7/8/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/o:mikrotik:routeros

Required KB Items: Tenable.ot/MikroTik

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/12/2023

Vulnerability Publication Date: 7/12/2023

Reference Information

CVE: CVE-2020-20021

CWE: 400