CVE-2019-3566

Name: CVE-2019-3566
Creator: NVD / NIST
Published: 2019-05-10T21:29:00.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2019-3566 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.92%

55.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Whatsapp	Whatsapp	>= 2.19.54, <= 2.19.103
Whatsapp	Whatsapp	2.19.52
Whatsapp	Whatsapp Business	>= 2.19.22, <= 2.19.38

References

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

Timeline

Published: May 10, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3566?

How severe is CVE-2019-3566?

CVE-2019-3566 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3566?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3566?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST