CVE-2021-21952CWE-288

An authentication bypass vulnerability exists in the CMD_DEVICE_GET_RSA_KEY_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h

Critical · published December 22, 2021

CVSS v3.0
9.4
EPSS
1%
Percentile
70.5
In the wild
Unconfirmed
What it is

🚨 A crafted packet is all it takes to bypass authentication in Anker Eufy Homebase 2! We're talking about an open door for privilege escalation that shouldn't be overlooked. 🔥 Think of your home security system as a special VIP lounge. If an intruder can slip in with a fake invitation, they might just get access to everything behind the velvet rope — including all your private data and settings! An attacker could exploit this vulnerability to gain unauthorized access and escalate their privileges, potentially leading to control over your entire home security system. Imagine if someone could tamper with your security settings or even disable alarms altogether — absolutely devastating!

Put simply

Think of your home security system as a special VIP lounge. If an intruder can slip in with a fake invitation, they might just get access to everything behind the velvet rope — including all your private data and settings! This vulnerability lies in the CMD_DEVICE_GET_RSA_KEY_REQUEST functionality of the home_security binary, allowing attackers to send specially-crafted network packets that manipulate the device's authentication process.

What to do

An attacker could exploit this vulnerability to gain unauthorized access and escalate their privileges, potentially leading to control over your entire home security system. Imagine if someone could tamper with your security settings or even disable alarms altogether — absolutely devastating! Immediately update the home security firmware to version 2.1.6.9h or later to patch this vulnerability. Additionally, review your network settings and ensure firewalls are in place to filter untrusted traffic. Don't forget to monitor for any unusual access attempts! You've got this! By following these steps, you can secure your home and keep those pesky intruders at bay! 🛡️

The record
Technical detail
CVSS v3.0
9.4 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.01313 · 70.5th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2021-12-22T18:07Z
EPSS history
Timeline
  • 22 DEC 18:07Z
    An authentication bypass vulnerability exists in the CMD_DEVICE_GET_RSA_KEY_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h
    cvelistv5