CVE-2021-20649

low-risk

Published 2021-02-12

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.

Do I need to act?

0.10% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.8/10 Medium

NETWORK / HIGH complexity

Affected Products (1)

Wrc-300Febk-S Firmware

Affected Vendors

Elecom

References (4)

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

Vendor Advisory https://www.elecom.co.jp/news/security/20210126-01/

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

Vendor Advisory https://www.elecom.co.jp/news/security/20210126-01/

/ 100

low-risk

Severity 15/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal