What is CVE-2021-46894?

CVE-2021-46894 is a critical-severity vulnerability in Huawei Emui, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2023-07-06.

How severe is CVE-2021-46894?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-46894 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Huawei Emui

CVE-2021-46894

Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.

Vulnerability class: Privilege Escalation

EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Emui — versions 12.0.0
Huawei Harmonyos — versions 2.0.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@huawei.com (Vendor Advisory)
psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2021-46894?: CVE-2021-46894 is a critical-severity vulnerability in Huawei Emui, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2023-07-06.
How severe is CVE-2021-46894?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-46894 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.