CVE-2021-39991 — MEDIUM (5.5)

Vulnerability Description

There is an unauthorized rewriting vulnerability with the memory access management module on ACPU.Successful exploitation of this vulnerability may affect service confidentiality.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Huawei	Emui	12.0.0

References

https://consumer.huawei.com/en/support/bulletin/2022/2/Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2022/2/Vendor Advisory

FAQ

What is CVE-2021-39991?

CVE-2021-39991 is a vulnerability with a CVSS score of 5.5 (MEDIUM). There is an unauthorized rewriting vulnerability with the memory access management module on ACPU.Successful exploitation of this vulnerability may affect service confidentiality.

How severe is CVE-2021-39991?

CVE-2021-39991 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39991?

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