CVE-2021-24027
HIGH
7.5
CVSS Score
Published: April 6, 2021 at 04:45 PM UTC
Updated: June 17, 2026 at 03:39 AM UTC
2 products affected across 1 vendorWhatsAppWhatsapp Business
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Severity
HIGH7.5
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.21.4.18v < v2.21.4.18
Affected range stops below 2.21.4.18, so it looks safe — our inference, not a vendor statement
Affected range stops below v2.21.4.18, so it looks safe — our inference, not a vendor statement
v < 2.21.4.182.21.4.18
Affected range stops below 2.21.4.18, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.whatsapp.com/security/advisories/2021/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-524NVD-CWE-noinfo
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