CVE-2021-39996

moderate-risk
Published 2022-01-10

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

Do I need to act?

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0.24% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (10)

Affected Vendors

Huawei

References (4)

Vendor Advisory https://consumer.huawei.com/en/support/bulletin/2021/12/
Vendor Advisory https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0...
Vendor Advisory https://consumer.huawei.com/en/support/bulletin/2021/12/
Vendor Advisory https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0...
49
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate