CVE-2021-21953
An authentication bypass vulnerability exists in the process_msg() function of the home_security...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-21953- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H - Weakness
- CWE-300
- Updated
- 2026-11-02
EUVDEUVD-2021-9124
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.
- Record
EUVD-2021-9124- CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-32vw-8j97-rj69
An authentication bypass vulnerability exists in the process_msg() function of the home_security...
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.
- Record
GHSA-32vw-8j97-rj69- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-21953- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.7 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-300
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21953 is a high vulnerability (CVSS 7.7) in Anker Eufy Homebase 2 Firmware, published December 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.