What is CVE-2021-22323?

CVE-2021-22323 is a critical-severity vulnerability in Huawei Emui, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-06-30.

How severe is CVE-2021-22323?

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

Integer overflow in Huawei Emui

CVE-2021-22323

There is an Integer Overflow Vulnerability in Huawei Smartphone. Successful exploitation of these vulnerabilities may escalate the permission to that of the root user.

Vulnerability class: Integer Overflow

EPSS: 0.009 (57.4th 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 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-190 — Integer Overflow or Wraparound

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22323?: CVE-2021-22323 is a critical-severity vulnerability in Huawei Emui, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-06-30.
How severe is CVE-2021-22323?: Critical severity. CVSS v3 base score is 9.8 out of 10.