VulnerabilityModified
CVE-2021-46840
The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.
CRITICAL 9.1EPSS 0.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- huawei/emui · huawei/harmonyos
- Source
- psirt@huawei.com
References
- https://consumer.huawei.com/en/support/bulletin/2022/10/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2022/10/Vendor Advisory
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.