Buffer overflow in Huawei Emui

CVE-2021-22345

There is an Input Verification Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause out-of-bounds memory write.

Vulnerability class: Buffer 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: 0.008 (53.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% 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-2021-22345: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

  • Huawei Emui — versions 10.1.1, 11.0.0, 11.0.1
  • Huawei Magic Ui — versions 3.1.1, 4.0.0
  • Emui, Magic Ui — versions EMUI 11.0.1, EMUI 11.0.0, EMUI 10.1.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-22345?
CVE-2021-22345 is a critical-severity vulnerability in Huawei Emui, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-06-30.
How severe is CVE-2021-22345?
Critical severity. CVSS v3 base score is 9.8 out of 10.