CVE-2020-22844

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests.

Un desbordamiento del búfer en Mikrotik RouterOS versión 6.47 permite a atacantes no autenticados causar una denegación de servicio (DOS) por medio de peticiones SMB diseñadas.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-13 CVE Reserved
2022-02-28 CVE Published
2024-08-04 CVE Updated
2024-10-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-401: Missing Release of Memory after Effective Lifetime

CAPEC

References (2)

URL	Tag	Source
https://github.com/colorlight/mikrotik_poc/blob/master/two_vulns.md	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://mikrotik.com/support	2022-07-12

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"				6.47 Search vendor "Mikrotik" for product "Routeros" and version "6.47"		-		Affected