Vulnerability · NVD
CVE-2021-24042
CRITICAL 9.8
The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.24%
above median
percentile 66.4%
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
Vulnerable CPE configurations (4)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
|
whatsapp Android
|
Android | <2.21.23 | cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:-:* | |
|
whatsapp Android
|
Android | <2.21.23 | cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:android:*:* | |
|
whatsapp iOS
|
iOS | <2.21.230 | cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:-:* | |
|
whatsapp iOS
|
iOS | <2.21.230 | cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:iphone_os:-:* |