#VU53752 Improper Certificate Validation in ATOM - Smart life App for Android and ATOM - Smart life App for iOS - CVE-2021-20732

Vulnerability identifier: #VU53752

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-20732

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ATOM - Smart life App for Android
Mobile applications / Apps for mobile phones
ATOM - Smart life App for iOS
Mobile applications / Apps for mobile phones

Vendor: ATOM tech

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to improper server certificate verification. A remote attacker can perform a MitM attack on the target system and eavesdrop on an encrypted communication.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ATOM - Smart life App for Android: 1.8.0

ATOM - Smart life App for iOS: 1.8.0

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External links
https://jvn.jp/en/jp/JVN64064138/index.html
https://www.atomtech.co.jp/news/news/2055/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.