Buffer overflow in Huawei Emui

CVE-2020-9140

There is a vulnerability with buffer access with incorrect length value in some Huawei Smartphone.Unauthorized users may trigger code execution when a buffer overflow occurs.

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: 0.013 (69.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.1% 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-2020-9140: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

  • Huawei Emui — versions 9.1.0, 9.1.1, 10.0.0
  • Huawei Magic Ui — versions 2.1.1, 3.0.0, 3.1.0
  • Emui;magic Ui — versions EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0, Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9140?
CVE-2020-9140 is a critical-severity vulnerability in Huawei Emui, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-01-13.
How severe is CVE-2020-9140?
Critical severity. CVSS v3 base score is 9.8 out of 10.