Vulnerability Description
There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Huawei | Harmonyos | < 2.0 |
| Huawei | Emui | 10.0.0 |
| Huawei | Magic Ui | 3.0.0 |
Related Weaknesses (CWE)
References
- https://consumer.huawei.com/en/support/bulletin/2021/12/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2021/12/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0Vendor Advisory
FAQ
What is CVE-2021-39996?
CVE-2021-39996 is a vulnerability with a CVSS score of 9.8 (CRITICAL). There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.
How severe is CVE-2021-39996?
CVE-2021-39996 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-39996?
Check the references section above for vendor advisories and patch information. Affected products include: Huawei Harmonyos, Huawei Emui, Huawei Magic Ui.