Vulnerability · Published Jan 7, 2022 · Assigned by huawei
CVE-2021-39996
Critical 9.8
In plain English
A critical-severity security flaw in EMUI;Magic UI;HarmonyOS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)0.9%top 41.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | EMUI;Magic UI;HarmonyOS | EMUI 10.0.0,EMUI 10.1.0,EMUI 10.1.1,EMUI 11.0.0,EMUI 11.0.1Magic UI 3.0.0,Magic UI 3.1.0,Magic UI 3.1.1,Magic UI 4.0.0HarmonyOS 2.0 |