VulnerabilityModified

CVE-2021-37021

There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.

CRITICAL 9.1EPSS 0.77%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.

CVSS 3.1: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS: 0.77% probability · 54th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: huawei/emui · huawei/harmonyos · huawei/magic ui
Source: psirt@huawei.com

References

https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.