Vulnerability · NVD
CVE-2021-24043
CRITICAL 9.1
A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call.
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:N/A:H
EPSS
1.12%
above median
percentile 63.1%
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 | — | cpe:2.3:a:whatsapp:whatsapp:2.21.23.2:*:*:*:*:android:*:* | |
|
whatsapp iOS
|
iOS | — | cpe:2.3:a:whatsapp:whatsapp:2.21.230.6:*:*:*:*:iphone_os:*:* | |
|
whatsapp_business Android
|
Android | — | cpe:2.3:a:whatsapp:whatsapp_business:2.21.23.2:*:*:*:*:android:*:* | |
|
whatsapp_business iOS
|
iOS | — | cpe:2.3:a:whatsapp:whatsapp_business:2.21.230.7:*:*:*:*:iphone_os:*:* |