High severity · published Apr 6, 2021
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 have allowed a third party with access to the device’s…
7.5
CVSS
3.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WH
Whatsapp · Whatsapp
before 2.21.4.18 · source: NVD
WB
Whatsapp Business · Whatsapp
before 2.21.4.18 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24027
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24027
Vendor Advisory
https://www.whatsapp.com/security/advisories/2021/
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