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CVE-2021-21950

10.0 · CRITICAL

An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h in function recv_server_device_resp…

Published Dec 8, 2021CWE-119EPSS 2.48%

Overview

CVE-2021-21950 is a critical-severity vulnerability. It was published on December 8, 2021 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h in function recv_server_device_response_msg_process. A specially-crafted network packet can lead to code execution.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftalosintelligence.com/vulnerability_reports/TALOS-2021-1378Reftalosintelligence.com/vulnerability_reports/TALOS-2021-1378

How CyberStrike helps

Frequently asked questions

What is CVE-2021-21950?

CVE-2021-21950 is a critical-severity vulnerability. It was published on December 8, 2021 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2021-21950?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-21950?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-21950?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-21950 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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