CWE
129
Advisory Published
Updated

CVE-2021-22333: Out-of-bounds Read

First published: Thu Jun 03 2021(Updated: )

There is an Improper Validation of Array Index vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause code to execute, thus obtaining system permissions.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
Huawei EMUI=9.1.0
Huawei EMUI=9.1.1
Huawei EMUI=10.0.0
Huawei EMUI=10.1.0
Huawei EMUI=10.1.1
Huawei EMUI=11.0.0
Huawei Magic UI=2.1.1
Huawei Magic UI=3.0.0
Huawei Magic UI=3.1.0
Huawei Magic UI=3.1.1
Huawei Magic UI=4.0.0

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Frequently Asked Questions

  • What is the severity of CVE-2021-22333?

    The severity of CVE-2021-22333 is classified as critical due to the potential for code execution and system permission escalation.

  • How do I fix CVE-2021-22333?

    To fix CVE-2021-22333, update your Huawei device to the latest software version that addresses this vulnerability.

  • What devices are affected by CVE-2021-22333?

    CVE-2021-22333 affects specific Huawei devices running EMUI versions 9.1.0, 9.1.1, and 10.0.0, 10.1.0, 10.1.1, 11.0.0, as well as Magic UI versions 2.1.1, 3.0.0, 3.1.0, 3.1.1, and 4.0.0.

  • What happens if CVE-2021-22333 is exploited?

    Exploitation of CVE-2021-22333 may allow attackers to execute arbitrary code and obtain unauthorized access to system permissions.

  • When was CVE-2021-22333 disclosed?

    CVE-2021-22333 was disclosed in April 2021 as part of Huawei's security bulletin updates.

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