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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.009 (59.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-22323: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

  • Huawei Emui — versions 10.1.1, 11.0.0
  • Huawei Magic Ui — versions 3.1.1, 4.0.0
  • 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)

References

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.