VulnerabilityModified
CVE-2021-40040
Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module.
HIGH 7.5EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. Successful exploitation of this vulnerability may affect confidentiality.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Affected
- huawei/emui · huawei/harmonyos · huawei/magic ui
- Source
- psirt@huawei.com
References
- https://consumer.huawei.com/en/support/bulletin/2022/8/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2022/8/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.