CVE-2021-20649

Severity Score

4.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability. Via a man-in-the-middle attack, an attacker may alter the communication response. As a result, an arbitrary OS command may be executed on the affected device.

ELECOM WRC-300FEBK-S, contiene una vulnerabilidad de comprobación de certificado inapropiada. Mediante un ataque man-in-the-middle, un atacante puede alterar la respuesta de comunicación. Como resultado, se puede ejecutar un comando arbitrario del sistema operativo en el dispositivo afectado

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-17 CVE Reserved
2021-02-12 CVE Published
2024-08-03 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation

CAPEC

References (2)

URL	Tag	Source
https://jvn.jp/en/jp/JVN47580234/index.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.elecom.co.jp/news/security/20210126-01	2021-02-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Elecom Search vendor "Elecom"	Wrc-300febk-s Firmware Search vendor "Elecom" for product "Wrc-300febk-s Firmware"	-	-	Affected	in	Elecom Search vendor "Elecom"	Wrc-300febk-s Search vendor "Elecom" for product "Wrc-300febk-s"	-	-	Safe