What is CVE-2021-22353?

CVE-2021-22353 is a high-severity vulnerability in Huawei Emui, classified under Use After Free. CVSS score: 7.5/10. Published 2021-06-30.

How severe is CVE-2021-22353?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-22353 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-2021-22353

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause the kernel to restart.

Vulnerability class: Use-After-Free

EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Huawei Emui — versions 10.1.1, 11.0.0
Huawei Magic_ui — versions 3.1.1, 4.0.0
N/a Emui;magic Ui — versions EMUI 11.0.0,EMUI 10.1.1, Magic UI 4.0.0,Magic UI 3.1.1

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

n0-traces/cve_

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22353?: CVE-2021-22353 is a high-severity vulnerability in Huawei Emui, classified under Use After Free. CVSS score: 7.5/10. Published 2021-06-30.
How severe is CVE-2021-22353?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-22353 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.