Is CVE-2021-21953 actively exploited?

No active exploitation of CVE-2021-21953 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-21953 be exploited remotely?

Yes. CVE-2021-21953 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-21953?

CVE-2021-21953 has a CVSS score of 8.1 (HIGH).

HOME VULNERABILITIESCVE-2021-21953

HIGH

CVE-2021-21953

CWE-300Published: December 22, 2021· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

An authentication bypass vulnerability exists in the process_msg() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted man-in-the-middle attack can lead to increased privileges.

NVD Source

Technical Analysis

CVE-2021-21953 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.