CVE-2021-20732

Name: CVE-2021-20732
Creator: NVD / NIST
Published: 2021-06-09T02:15:06.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2021-20732 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. The ATOM (ATOM - Smart life App for Android versions prior to 1.8.1 and ATOM - Smart life App for iOS versions prior to 1.8.2) does not verify server certificate properly, which allows man-in-the-middle attackers to eavesdrop on encrypted communication via a crafted certificate.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

The ATOM (ATOM - Smart life App for Android versions prior to 1.8.1 and ATOM - Smart life App for iOS versions prior to 1.8.2) does not verify server certificate properly, which allows man-in-the-middle attackers to eavesdrop on encrypted communication via a crafted certificate.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.49%

38.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Atomtech	Smart Life	< 1.8.1
Atomtech	Smart Life	< 1.8.2

References

https://jvn.jp/en/jp/JVN64064138/index.htmlThird Party Advisory
https://www.atomtech.co.jp/news/news/2055/Vendor Advisory
https://jvn.jp/en/jp/JVN64064138/index.htmlThird Party Advisory
https://www.atomtech.co.jp/news/news/2055/Vendor Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20732?

How severe is CVE-2021-20732?

CVE-2021-20732 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20732?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20732?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST