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Security Advisory - Integer Overflow Vulnerability in Android affects Several Huawei Smartphones

  • SA No:huawei-sa-20200513-03-smartphone
  • Initial Release Date: May 13, 2020
  • Last Release Date: Jul 08, 2020

There is an integer overflow vulnerability in Android affects several Huawei smartphones. There is possible out of bounds write due to an incorrect bounds calculation. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. (Vulnerability ID: HWPSIRT-2020-02120)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-0022.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200513-03-smartphone-en


Product Name

Affected Version

Resolved Product and Version

HUAWEI Mate 20

Versions earlier than 10.0.0.195(C00E74R3P8)

10.0.0.195(C00E74R3P8)

HUAWEI Mate 20 Pro

Versions earlier than 10.0.0.196(C185E7R2P4)

10.0.0.196(C185E7R2P4)

Versions earlier than 10.0.0.196(C432E7R1P5)

10.0.0.196(C432E7R1P5)

Versions earlier than 10.0.0.198(C636E7R2P4)

10.0.0.198(C636E7R2P4)

HUAWEI Mate 20 X

Versions earlier than 10.0.0.195(C00E74R2P8)

10.0.0.195(C00E74R2P8)

HUAWEI P smart

Versions earlier than 9.1.0.193(C605E6R1P5T8)

9.1.0.193(C605E6R1P5T8)

Versions earlier than 9.1.0.193(ZAFC185E6R1P5T8)

9.1.0.193(ZAFC185E6R1P5T8)

HUAWEI P smart 2019

Versions earlier than 10.0.0.180(C185E3R4P1)

10.0.0.180(C185E3R4P1)

HUAWEI P20

Versions earlier than 10.0.0.162(C00E156R1P4)

10.0.0.162(C00E156R1P4)

HUAWEI P20 Pro

Versions earlier than 10.0.0.162(C00E156R1P4)

10.0.0.162(C00E156R1P4)

HUAWEI P30

Versions earlier than 10.0.0.190(C432E22R2P5)

10.0.0.190(C432E22R2P5)

Versions earlier than 10.0.0.192(C635E3R2P4)

10.0.0.192(C635E3R2P4)

Versions earlier than 10.0.0.195(C00E85R2P11)

10.0.0.195(C00E85R2P11)

HUAWEI P30 Pro

Versions earlier than 10.0.0.195(C00E85R2P8)

10.0.0.195(C00E85R2P8)

HUAWEI Y6 2019

Versions earlier than 9.1.0.290(C185E5R4P1)

9.1.0.290(C185E5R4P1)

Versions earlier than 9.1.0.290(C432E5R2P1)

9.1.0.290(C432E5R2P1)

HUAWEI Y6 Pro 2019

Versions earlier than 9.1.0.290(C636E5R3P1)

9.1.0.290(C636E5R3P1)

HUAWEI Y9 2019

Versions earlier than 9.1.0.264(C185E2R5P1T8)

9.1.0.264(C185E2R5P1T8)

HUAWEI nova 3

Versions earlier than 9.1.0.338(C00E333R1P1T8)

9.1.0.338(C00E333R1P1T8)

HUAWEI nova lite 3

Versions earlier than 9.1.0.322(C635E8R2P2)

9.1.0.322(C635E8R2P2)

Honor 8A

Versions earlier than 9.1.0.291(C185E3R4P1)

9.1.0.291(C185E3R4P1)

Versions earlier than 9.1.0.291(C432E5R2P1)

9.1.0.291(C432E5R2P1)

Versions earlier than 9.1.0.291(C636E4R4P1)

9.1.0.291(C636E4R4P1)

Honor 8X

Versions earlier than 10.0.0.183(C185E2R6P1)

10.0.0.183(C185E2R6P1)

Honor View 20

Versions earlier than 10.0.0.195(C636E3R4P3)

10.0.0.195(C636E3R4P3)

Versions earlier than 10.0.0.196(C432E10R3P4)

10.0.0.196(C432E10R3P4)

HUAWEI Mate 30 Pro

Versions earlier than 10.0.0.203(C00E202R7P2)

10.0.0.203(C00E202R7P2)

HUAWEI Mate 30

Versions earlier than 10.0.0.203(C00E202R7P2)

10.0.0.203(C00E202R7P2)

HUAWEI Mate 30 Pro (5G)

Versions earlier than 10.0.0.203(C00E202R7P2)

10.0.0.203(C00E202R7P2)

HUAWEI Mate 30 (5G)

Versions earlier than 10.0.0.203(C00E202R7P2)

10.0.0.203(C00E202R7P2)

This could lead to remote code execution over Bluetooth with no additional execution privileges needed.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 8.2 (E:F/RL:O/RC:C)


This vulnerability can be exploited only when the following conditions are present:

The attacker should know the victim's Bluetooth MAC address.

Vulnerability details:

There is possible out of bounds write due to an incorrect bounds calculation. This could lead to remote code execution over Bluetooth with no additional execution privileges needed.


The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was discovered by Google.


2020-07-08 V1.2 UPDATED Updated the "Software Versions and Fixes" section;

2020-06-10 V1.1 UPDATED Updated the "Software Versions and Fixes" section;

2020-05-13 V1.0 INITIAL

Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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