CVE-2019-3566

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-05-10 · updated 2026-06-17
Weakness: CWE-284

Description

A bug in WhatsApp for Android's messaging logic would potentially allow a malicious individual who has taken over over a WhatsApp user's account to recover previously sent messages. This behavior requires independent knowledge of metadata for previous messages, which are not available publicly. This issue affects WhatsApp for Android 2.19.52 and 2.19.54 - 2.19.103, as well as WhatsApp Business for Android starting in v2.19.22 until v2.19.38.

Affected products

Facebook WhatsApp for Android: from 2.19.54 through 2.19.103; 2.19.52
Whatsapp Business: from 2.19.22 through 2.19.38

References

https://www.facebook.com/security/advisories/cve-2019-3566
https://www.facebook.com/security/advisories/cve-2019-3566

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