#VU49993 Improper Certificate Validation in WRC-300FEBK-S


Published: 2021-01-26

Vulnerability identifier: #VU49993

Vulnerability risk: Medium

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20649

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WRC-300FEBK-S
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: ELECOM CO. ,LTD.

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to missing validation of certificates. A remote attacker can perform a MitM attack on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WRC-300FEBK-S: All versions


External links
http://jvn.jp/en/jp/JVN47580234/index.html
http://www.elecom.co.jp/news/security/20210126-01/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability