CVE-2021-20732: The ATOM (ATOM - Smart life App for Android versions prior to 1.8.1 and ATOM - Smart life App for iOS versions

Q: How do I fix CVE-2021-20732?

smart life: upgrade to 1.8.1; smart life: upgrade to 1.8.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-20732 being exploited?

CVE-2021-20732 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-20732 affect?

CVE-2021-20732 affects smart life, smart life. Severity is medium (CVSS 5.9). 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 c

Q: How urgent is CVE-2021-20732?

Priority 36/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.9REMOTEUPGRADEUPGRADE

CVE-2021-20732 is a medium-severity flaw (CVSS 5.9) affecting smart life, smart life. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-295
Published	2021-06-09
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: atomtech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-06-09 02:15 UTCPublished CVE record published
2026-06-17 03:34 UTCUpdated Record last modified

atomtech smart life UPGRADE

Affected: < 1.8.1

Fixed in: 1.8.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smart-life || rpm -q smart-life || smart-life --version

2. UPGRADE to 1.8.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade smart-life

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smart-life

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

atomtech smart life UPGRADE

Affected: < 1.8.2

Fixed in: 1.8.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smart-life || rpm -q smart-life || smart-life --version

2. UPGRADE to 1.8.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade smart-life

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smart-life

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-20732?

smart life: upgrade to 1.8.1; smart life: upgrade to 1.8.2. Exact commands for each OS are on this page.

Is CVE-2021-20732 being exploited?

CVE-2021-20732 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-20732 affect?

CVE-2021-20732 affects smart life, smart life. Severity is medium (CVSS 5.9). 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 c

How urgent is CVE-2021-20732?

Priority 36/100. Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities · iOS vulnerabilities

References

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