CVE-2021-22394 — CRITICAL (9.1)

Vulnerability Description

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

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Emui	10.1.0
Huawei	Harmonyos	2.0
Huawei	Magic Ui	3.1.0

Related Weaknesses (CWE)

CWE-120

References

https://consumer.huawei.com/en/support/bulletin/2021/7/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-2Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2021/7/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-2Vendor Advisory

FAQ

What is CVE-2021-22394?

CVE-2021-22394 is a vulnerability with a CVSS score of 9.1 (CRITICAL). There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.

How severe is CVE-2021-22394?

CVE-2021-22394 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-22394?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.