6.5
MEDIUM
CVE-2020-20214
Mikrotik RouterOs Assertion Failure Remote Denial of Service Vulnerability
Description

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

INFO

Published Date :

May 18, 2021, 7:15 p.m.

Last Modified :

May 21, 2021, 7:18 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-20214 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-20214 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mikrotik routeros
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-20214.

URL Resource
http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-Corruption-Assertion-Failure.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2021/May/15 Exploit Mailing List Third Party Advisory
https://mikrotik.com/ Product

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

This repository contains the solutions to the tasks presented in the course. You can explore how I found answers to their challenges and learn from the practical examples.

course cyber-education cybersecurity problem-solving

Updated: 1 month ago
4 stars 0 fork 0 watcher
Born at : Aug. 21, 2023, 9:15 a.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-20214 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-20214 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 21, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-Corruption-Assertion-Failure.html No Types Assigned http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-Corruption-Assertion-Failure.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/15 No Types Assigned http://seclists.org/fulldisclosure/2021/May/15 Exploit, Mailing List, Third Party Advisory
    Changed Reference Type https://mikrotik.com/ No Types Assigned https://mikrotik.com/ Product
    Added CWE NIST CWE-617
    Added CPE Configuration OR *cpe:2.3:o:mikrotik:routeros:6.44.6:*:*:*:ltr:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-20214 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-20214 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.41 }} 0.12%

score

0.74040

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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