What is CVE-2021-22437?

CVE-2021-22437 is a high-severity vulnerability in Huawei Emui, classified under Integer Overflow or Wraparound. CVSS score: 7.0/10. Published 2022-02-25.

How severe is CVE-2021-22437?

High severity. CVSS v3 base score is 7.0 out of 10.

Integer overflow in Huawei Emui

CVE-2021-22437

There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.

Vulnerability class: Integer Overflow

EPSS: 0.002 (5.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Emui — versions 10.1.1, 10.1.0
Huawei Magic Ui — versions 3.1.1, 3.1.0
Huawei Magic_ui — versions 3.1.0, 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-2021-22437?: CVE-2021-22437 is a high-severity vulnerability in Huawei Emui, classified under Integer Overflow or Wraparound. CVSS score: 7.0/10. Published 2022-02-25.
How severe is CVE-2021-22437?: High severity. CVSS v3 base score is 7.0 out of 10.