CVE-2021-39996

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
n/aEMUI;Magic UI;HarmonyOSEMUI 10.0.0,EMUI 10.1.0,EMUI 10.1.1,EMUI 11.0.0,EMUI 11.0.1; Magic UI 3.0.0,Magic UI 3.1.0,Magic UI 3.1.1,Magic UI 4.0.0; HarmonyOS 2.0

References

Timeline

Published
Jan 10, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-39996: Critical severity, CVSS 9.8 | Vulnix