CVE-2021-39998 — HIGH (7.5)

Q: How severe is CVE-2021-39998?

CVE-2021-39998 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-39998?

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

Vulnerability Description

There is Vulnerability of APIs being concurrently called for multiple times in HwConnectivityExService a in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Harmonyos	< 2.0
Huawei	Emui	11.0.0
Huawei	Magic Ui	4.0.0

References

https://consumer.huawei.com/en/support/bulletin/2021/12/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2021/12/Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0Vendor Advisory

FAQ

What is CVE-2021-39998?

CVE-2021-39998 is a vulnerability with a CVSS score of 7.5 (HIGH). There is Vulnerability of APIs being concurrently called for multiple times in HwConnectivityExService a in smartphones. Successful exploitation of this vulnerability may cause the system to crash and...

How severe is CVE-2021-39998?

CVE-2021-39998 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39998?

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