CVE-2021-39996

Description

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

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Vendor Advisory huawei.com Vendor Advisory harmonyos.com
Affected: n/a EMUI;Magic UI;HarmonyOS
Published at:
Updated at:

References

Link Tags
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718 vendor advisory
https://consumer.huawei.com/en/support/bulletin/2021/12/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-39996?
CVE-2021-39996 has been scored as a critical severity vulnerability.
How to fix CVE-2021-39996?
To fix CVE-2021-39996, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-39996 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-39996 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-39996?
CVE-2021-39996 affects n/a EMUI;Magic UI;HarmonyOS.
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