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CVE-2021-22438

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful...

9.8 Critical

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause malicious code to be executed.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.77%Up 0.3 points since Aug 3, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause malicious code to be executed.

Record
CVE-2021-22438
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause malicious code to be executed.

Record
CVE-2021-22438
Updated
2026-11-02
EUVDEUVD-2021-9584 No score

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause malicious code to be executed.

Record
EUVD-2021-9584
Updated
2026-11-03
GitHub AdvisoriesGHSA-4chx-q47p-c784 9.8

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful...

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause malicious code to be executed.

Record
GHSA-4chx-q47p-c784
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-22438 is a critical vulnerability (CVSS 9.8) 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 0.77%, the 55th percentile. No source names a fixed version.

References

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