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CVE-2021-20732

19
FAUCET Score

CVE-2021-20732 describes a server certificate validation vulnerability in the ATOM Smart life App for Android (versions prior to 1.8.1) and iOS (versions prior to 1.8.2). This flaw, rated Medium severity (CVSS 5.9), allows remote man-in-the-middle attackers to eavesdrop on encrypted communications due to improper certificate verification. While the attack complexity is high, a successful exploit could lead to significant confidentiality compromise. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.1CPE matchmatch criteria
cpe:2.3:a:atomtech:smart_life:*:*:*:*:*:android:*:*
< 1.8.2CPE matchmatch criteria
cpe:2.3:a:atomtech:smart_life:*:*:*:*:*:iphone_os:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 5th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN64064138/index.html
Third Party Advisory
atomtech.co.jp / news/news/2055
Vendor Advisory