Main Vulnerability Database Vulnerabilities #VU52295

Exposure of Resource to Wrong Sphere in WhatsApp Messenger for Android and WhatsApp Business for Android - CVE-2021-24027

Published: April 16, 2021 / Updated: April 18, 2021

Vulnerability identifier: #VU52295

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-24027

CWE-ID:

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a malicious application to gain access to sensitive information on the system.

The vulnerability exists due to a cache configuration issue. A malicious application installed on the device with access to external storage can read cached TLS data.

Affected software

WhatsApp Messenger for Android
WhatsApp Business for Android

How to mitigate CVE-2021-24027

Install updates from vendor's website.

WhatsApp Messenger for Android - update to 2.21.4.18
WhatsApp Business for Android - update to 2.21.4.18

Links to Public Exploits and PoC-codes

Exploit #5304 - whatsapp-mitd-mitm (PoC and tools for exploiting CVE-2020-6516 (Chrome) and CVE-2021-24027 (WhatsApp)) (April 18, 2021)

External References

https://www.whatsapp.com/security/advisories/2021/

Related Security Bulletins

Information disclosure in WhatsApp for Android and WhatsApp Business for Android