01 Record
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 external storage to read
UnratedPUBLISHEDCNA: facebook
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.80% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-04-06 16:45Z5 YR AGO
- Last updated
- 2024-08-03 19:21Z2 YR AGO
- Reserved
- 2021-01-13
- Assigning CNA
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-524Use of Cache Containing Sensitive InformationBase
- Data version
- 5.1
- Document digest
- 31fec858bd4ec0898305b800b6238fc40f62366ed6cfe7802b1080ba5c6569c9
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.whatsapp.comhttps://www.whatsapp.com/security/advisories/2021/