Detections
Analytics

Mikro Tik (CVE-2020-20247)

medium Tenable OT Security Plugin ID 502028

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.

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://seclists.org/fulldisclosure/2020/May/30

Plugin Details

Severity: Medium

ID: 502028

File Name: tenable_ot_mikrotik_CVE-2020-20247.nasl

Version: 1.2

Type: Remote

Family: Tenable.ot

Published: 2/27/2024

Updated: 6/19/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2020-20247

CVSS v3

Risk Factor: Medium

Base Score: 6.5

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

Vulnerability Information

CPE: cpe:/o:mikrotik:routeros:::~~-~~~

Required KB Items: Tenable.ot/MikroTik

Exploit Ease: No known exploits are available

Patch Publication Date: 5/3/2021

Vulnerability Publication Date: 5/3/2021

Reference Information

CVE: CVE-2020-20247

CWE: 787