CVE-2021-37022

9.8 criticalEPSS 1.0%

Critical (9.8) in huawei harmonyos. EPSS 1.0% chance of exploitation in the next 30 days.

There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-11-01)
CWE: CWE-787
Published: 2021-11-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

huawei:harmonyos

References

https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202108-0000001180965965
https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202108-0000001180965965

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