CVE-2020-20221

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Mikrotik RouterOs before 6.44.6 (long-term tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/cerm process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Mikrotik RouterOs versiones anteriores a 6.44.6 (long-term tree) sufre de una vulnerabilidad de consumo de recursos no controlado en el proceso /nova/bin/cerm. Un atacante remoto autenticado puede causar una Denegación de Servicio debido a la sobrecarga de la CPU del sistema

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-13 CVE Reserved
2021-07-21 CVE Published
2024-07-09 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (3)

URL	Tag	Source
https://cwe.mitre.org/data/definitions/400.html	Third Party Advisory
https://seclists.org/fulldisclosure/2020/May/30	Mailing List

URL	Date	SRC
https://seclists.org/fulldisclosure/2021/May/1	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mikrotik Search vendor "Mikrotik"		Routeros Search vendor "Mikrotik" for product "Routeros"				< 6.44.6 Search vendor "Mikrotik" for product "Routeros" and version " < 6.44.6"		ltr		Affected