CVE-2021-22427
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation...
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bypass.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bypass.
- Record
CVE-2021-22427- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-362, CWE-787
- Updated
- 2026-11-02
CVE List No score
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bypass.
- Record
CVE-2021-22427- Updated
- 2026-11-02
EUVDEUVD-2021-9573 No score
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bypass.
- Record
EUVD-2021-9573- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q65w-mqfv-hggw No score
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation...
There is a Heap-based Buffer Overflow Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bypass.
- Record
GHSA-q65w-mqfv-hggw- Weakness
- CWE-362
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22427 is a high vulnerability (CVSS 8.1) in Huawei Emui, published August 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.