CVE-2021-20649 — MEDIUM (4.8)

Vulnerability Description

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.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Elecom	Wrc-300Febk-S Firmware	-
Elecom	Wrc-300Febk-S	-

Related Weaknesses (CWE)

CWE-295

References

https://jvn.jp/en/jp/JVN47580234/index.htmlThird Party Advisory
https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisory
https://jvn.jp/en/jp/JVN47580234/index.htmlThird Party Advisory
https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisory

FAQ

What is CVE-2021-20649?

CVE-2021-20649 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 m...

How severe is CVE-2021-20649?

CVE-2021-20649 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20649?

Check the references section above for vendor advisories and patch information. Affected products include: Elecom Wrc-300Febk-S Firmware, Elecom Wrc-300Febk-S.