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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (4.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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)
References
- consumer.huawei.com/en/support/bulletin/2021/9/ (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.