CVE-2021-40040
HIGHCVSS 7.5/10EPSS 0.46%
Last modified
CVE-2021-40040 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
Description
Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Huawei | Emui | 10.0.0 |
| Huawei | Emui | 10.1.0 |
| Huawei | Emui | 10.1.1 |
| Huawei | Emui | 11.0.0 |
| Huawei | Harmonyos | 2.0 |
| Huawei | Magic Ui | 3.0.0 |
| Huawei | Magic Ui | 3.1.0 |
| Huawei | Magic Ui | 3.1.1 |
| Huawei | Magic Ui | 4.0.0 |
References
- https://consumer.huawei.com/en/support/bulletin/2022/8/Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2022/8/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40040?
Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.
How severe is CVE-2021-40040?
CVE-2021-40040 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40040?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40040?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST