CVE-2021-40055 — MEDIUM (5.9)

Vulnerability Description

There is a man-in-the-middle attack vulnerability during system update download in recovery mode. Successful exploitation of this vulnerability may affect integrity.

CVSS Score

5.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Huawei	Emui	10.0.0
Huawei	Harmonyos	2.0
Huawei	Magic Ui	3.0.0

References

https://consumer.huawei.com/en/support/bulletin/2022/3/Vendor Advisory
https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-2Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2022/3/Vendor Advisory
https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-2Vendor Advisory

FAQ

What is CVE-2021-40055?

CVE-2021-40055 is a vulnerability with a CVSS score of 5.9 (MEDIUM). There is a man-in-the-middle attack vulnerability during system update download in recovery mode. Successful exploitation of this vulnerability may affect integrity.

How severe is CVE-2021-40055?

CVE-2021-40055 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40055?

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