Huawei EMUI April 2021 security patch details released

Huawei has officially released the April 2021 EMUI and Magic UI security patch details, the security update includes the CVE (Common Vulnerabilities and Exposures). This security update includes the CVE announced in the April 2021 Android security bulletin. It includes 17 High levels and 69 Medium levels of CVE’s.

According to the track record, the Common Vulnerabilities and Exposures (CVE) system tracks publicly known security vulnerabilities and exposures in publicly released software packages.

Critical: none

High:CVE-2019-9345,CVE-2020-0261,CVE-2021-0437,CVE-2021-0400,CVE-2021-0429,CVE-2021-0431,CVE-2021-0433,CVE-2021-0435,CVE-2021-0436,CVE-2021-0438,CVE-2021-0443,CVE-2021-0444,CVE-2021-0471,CVE-2020-11308,CVE-2020-11290,CVE-2020-11309,CVE-2021-0399

Medium:CVE-2020-0479,CVE-2020-0480,CVE-2020-0485,CVE-2020-27052,CVE-2020-0482,CVE-2020-0500,CVE-2020-0478,CVE-2020-0483,CVE-2020-0492,CVE-2020-27035,CVE-2020-0491,CVE-2020-27038,CVE-2020-0202,CVE-2020-27030,CVE-2020-27036,CVE-2020-27044,CVE-2020-27045,CVE-2020-27048,CVE-2020-27049,CVE-2020-27050,CVE-2020-27051,CVE-2020-27054,CVE-2020-0280,CVE-2020-0476,CVE-2020-27021,CVE-2020-27024,CVE-2020-27027,CVE-2020-27028,CVE-2020-27031,CVE-2020-27032,CVE-2020-27033,CVE-2020-27034,CVE-2020-27037,CVE-2020-27039,CVE-2020-27040,CVE-2020-27047,CVE-2020-27055,CVE-2020-27056,CVE-2020-27029,CVE-2019-9458,CVE-2019-9455,CVE-2020-0369,CVE-2020-0322,CVE-2020-0323,CVE-2020-0336,CVE-2020-0346,CVE-2020-0356,CVE-2020-0357,CVE-2020-0358,CVE-2020-0406,CVE-2020-0270,CVE-2020-0324,CVE-2020-0355,CVE-2020-0359,CVE-2020-0364,CVE-2020-0354,CVE-2020-0298,CVE-2020-0299,CVE-2020-0309,CVE-2020-0291,CVE-2020-0292,CVE-2020-0302,CVE-2020-0307,CVE-2020-0349,CVE-2020-0365,CVE-2020-0197,CVE-2021-0371,CVE-2021-0377,CVE-2020-25211

Low: none

Already included in previous updates: CVE-2020-0169,CVE-2020-0170,CVE-2020-0172,CVE-2020-0171,CVE-2020-0174,CVE-2020-0173,CVE-2020-0175,CVE-2020-0201,CVE-2019-16275,CVE-2019-5489,CVE-2020-27067,CVE-2020-0486,CVE-2020-0494,CVE-2019-9447,CVE-2019-9450,CVE-2020-0296,CVE-2020-0297,CVE-2020-0343,CVE-2020-0279,CVE-2020-0314,CVE-2020-0351,CVE-2020-0353,CVE-2020-0362,CVE-2020-0271,CVE-2020-0265,CVE-2020-0269,CVE-2020-0327,CVE-2021-0382,CVE-2021-0375,CVE-2020-0025,CVE-2021-0378,CVE-2021-0379,CVE-2021-0380,CVE-2021-0381,CVE-2021-0383,CVE-2021-0385,CVE-2021-0386,CVE-2021-0387,CVE-2021-0388,CVE-2021-0374

For more information on security patches, please refer to the Android security bulletins (https://source.android.com/security/bulletin).

This security update includes the following Huawei patches:

CVE-2021-22333: Integer overflow vulnerability in some Huawei phones

Severity: High

Affected versions: EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0, Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1

Impact: Successful exploitation of this vulnerability may cause code to execute, thus obtaining system permissions.

CVE-2021-22334: Malicious Wi-Fi construction vulnerability in some Huawei phones

Severity: Medium

Affected versions: EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0

Impact: Successful exploitation of this vulnerability may cause app redirections.

CVE-2021-22335: Heap overflow vulnerability in some Huawei phones

Severity: Medium

Affected versions: EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0, Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1

Impact: Successful exploitation of this vulnerability may cause exceptions in image processing.

CVE-2021-22336: DoS vulnerability in some Huawei phones

Severity: Medium

Affected versions: EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0

Impact: Successful exploitation of this vulnerability may cause denial of security services on a rooted device.

CVE-2021-22337: Information leak vulnerability in some Huawei phones

Severity: Medium

Affected versions: EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0,EMUI 8.0,Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1.

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