What is CVE-2023-39841?

CVE-2023-39841 is a medium-severity vulnerability in Etekcity 3-In-1 Smart Door Lock, classified under Missing Encryption of Sensitive Data. CVSS score: 4.6/10. Published 2023-08-15.

How severe is CVE-2023-39841?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Etekcity 3-In-1 Smart Door Lock

CVE-2023-39841

Missing encryption in the RFID tag of Etekcity 3-in-1 Smart Door Lock v1.0 allows attackers to create a cloned tag via brief physical proximity to the original device.

Published 2023-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Etekcity 3-In-1 Smart Door Lock
Etekcity 3-In-1 Smart Door Lock Firmware — versions 1.0

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

ashallen.net/smart-security-device-rfid-vulnerability-disclosure (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-39841?: CVE-2023-39841 is a medium-severity vulnerability in Etekcity 3-In-1 Smart Door Lock, classified under Missing Encryption of Sensitive Data. CVSS score: 4.6/10. Published 2023-08-15.
How severe is CVE-2023-39841?: Medium severity. CVSS v3 base score is 4.6 out of 10.