Vulnerability in Huawei Emui
CVE-2021-40040
Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (43.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Huawei Emui — versions 10.0.0, 10.1.0, 10.1.1
- Huawei Harmonyos — versions 2.0
- Huawei Magic Ui — versions 3.0.0, 3.1.0, 3.1.1
- Harmonyos;emui;magic Ui — versions HarmonyOS 2.0, EMUI 11.0.0,EMUI 10.1.1,EMUI 10.1.0,EMUI 10.0.0, Magic UI 4.0.0,Magic UI 3.1.1,Magic UI 3.1.0,Magic UI 3.0.0
References
- consumer.huawei.com/en/support/bulletin/2022/8/ (Vendor Advisory)
- device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0… (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-40040?
- CVE-2021-40040 is a high-severity vulnerability in Huawei Emui. CVSS score: 7.5/10. Published 2022-08-10.
- How severe is CVE-2021-40040?
- High severity. CVSS v3 base score is 7.5 out of 10.