CVE-2021-24027
Published: 06 April 2021
Summary
CVE-2021-24027 is a high-severity Use of Cache Containing Sensitive Information (CWE-524) vulnerability in Whatsapp Whatsapp. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 9.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-10947
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Refreshing cached data or generating it ephemerally and deleting afterward directly mitigates storage of sensitive information in caches.