Home/CVE/A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may ha
CVE

CVE-2021-24027

A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may ha

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.

HIGH · CVSS 7.5 EPSS 0.06112
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-524Use of Cache Containing Sensitive Information
▤

Affected Products & Versions

2
whatsapp< 2.21.4.18
whatsapp business< 2.21.4.18
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve-assign@fb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Apr 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.whatsapp.com/security/advisories/2021/Vendor Advisory
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