CVE-2021-22394

moderate-risk
Published 2022-02-25

There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.

Do I need to act?

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0.27% 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 9.1/10 Critical
NETWORK / LOW complexity

Affected Products (7)

Affected Vendors

Huawei

References (4)

Vendor Advisory https://consumer.huawei.com/en/support/bulletin/2021/7/
Vendor Advisory https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-2...
Vendor Advisory https://consumer.huawei.com/en/support/bulletin/2021/7/
Vendor Advisory https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-2...
46
/ 100
moderate-risk
Severity 31/34 · Critical
Exploitability 1/34 · Minimal
Exposure 14/34 · Moderate