Description
A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.
Exploits (1)
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.whatsapp.com/security/advisories/2021/
Scores
CVSS v3
7.5
EPSS
0.0611
EPSS Percentile
90.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-524
Status
published
Products (2)
whatsapp/whatsapp
< 2.21.4.18
whatsapp/whatsapp_business
< 2.21.4.18
Published
Apr 06, 2021
Tracked Since
Feb 18, 2026