CVE-2021-46082

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.

Se ha detectado que los enrutadores de la serie Moxa TN-5900 versión v3.1, las pasarelas de protocolo de la serie MGate 5109 versión v2.2 y las pasarelas de protocolo de la serie MGate 5101-PBM-MN versión v2.1, contienen una pérdida de memoria que permite a atacantes causar una denegación de servicio (DoS) por medio de paquetes diseñados

*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

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-03 CVE Reserved
2022-02-18 CVE Published
2024-08-04 CVE Updated
2024-11-03 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

URL	Date	SRC

URL	Date	SRC
https://www.moxa.com/en/support/product-support/security-advisory/mgate-5109-5101-protocol-gateways-vulnerability	2022-02-26

URL	Date	SRC
https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerability	2022-02-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moxa Search vendor "Moxa"	Tn-5916-wv-t Firmware Search vendor "Moxa" for product "Tn-5916-wv-t Firmware"	<= 3.1 Search vendor "Moxa" for product "Tn-5916-wv-t Firmware" and version " <= 3.1"	-	Affected	in	Moxa Search vendor "Moxa"	Tn-5916-wv-t Search vendor "Moxa" for product "Tn-5916-wv-t"	-	-	Safe
Moxa Search vendor "Moxa"	Tn-5916-wv-ct-t Firmware Search vendor "Moxa" for product "Tn-5916-wv-ct-t Firmware"	<= 3.1 Search vendor "Moxa" for product "Tn-5916-wv-ct-t Firmware" and version " <= 3.1"	-	Affected	in	Moxa Search vendor "Moxa"	Tn-5916-wv-ct-t Search vendor "Moxa" for product "Tn-5916-wv-ct-t"	-	-	Safe
Moxa Search vendor "Moxa"	Mgate 5109 Firmware Search vendor "Moxa" for product "Mgate 5109 Firmware"	<= 2.2 Search vendor "Moxa" for product "Mgate 5109 Firmware" and version " <= 2.2"	-	Affected	in	Moxa Search vendor "Moxa"	Mgate 5109 Search vendor "Moxa" for product "Mgate 5109"	-	-	Safe
Moxa Search vendor "Moxa"	Mgate 5109-t Firmware Search vendor "Moxa" for product "Mgate 5109-t Firmware"	<= 2.2 Search vendor "Moxa" for product "Mgate 5109-t Firmware" and version " <= 2.2"	-	Affected	in	Moxa Search vendor "Moxa"	Mgate 5109-t Search vendor "Moxa" for product "Mgate 5109-t"	-	-	Safe
Moxa Search vendor "Moxa"	Mgate 5101-pbm-mn Firmware Search vendor "Moxa" for product "Mgate 5101-pbm-mn Firmware"	<= 2.1 Search vendor "Moxa" for product "Mgate 5101-pbm-mn Firmware" and version " <= 2.1"	-	Affected	in	Moxa Search vendor "Moxa"	Mgate 5101-pbm-mn Search vendor "Moxa" for product "Mgate 5101-pbm-mn"	-	-	Safe
Moxa Search vendor "Moxa"	Mgate 5101-pbm-mn-t Firmware Search vendor "Moxa" for product "Mgate 5101-pbm-mn-t Firmware"	<= 2.1 Search vendor "Moxa" for product "Mgate 5101-pbm-mn-t Firmware" and version " <= 2.1"	-	Affected	in	Moxa Search vendor "Moxa"	Mgate 5101-pbm-mn-t Search vendor "Moxa" for product "Mgate 5101-pbm-mn-t"	-	-	Safe