Vulnerability Intelligence Report
CVE-2021-24026
A missing bounds check within the audio decoding pipeline for WhatsApp calls in WhatsApp for Android prior to v2.21.3, WhatsApp Business for Android prior to v2.21.3, WhatsApp for iOS prior to v2.21.32, and WhatsApp Business for iOS prior to v2.21.32 could have allowed an out-of-bounds write.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:1.41%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| WhatsApp Business for iOS | unspecified < v2.21.32 (affected) | |
| WhatsApp for iOS | unspecified < v2.21.32 (affected) | |
| WhatsApp Business for Android | unspecified < v2.21.3 (affected) | |
| WhatsApp for Android | unspecified < v2.21.3 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.406%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | |
| Reserved | 2021-01-13T00:00:00 |
| Published | 2021-04-06T16:45:15 |
| Last Updated | 2024-08-03T19:21:17 |
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