Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-2721

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
22/11/2017
Last modified:
20/04/2025

Description

Some Huawei smart phones with software Berlin-L21C10B130,Berlin-L21C185B133,Berlin-L21HNC10B131,Berlin-L21HNC185B140,Berlin-L21HNC432B151,Berlin-L22C636B160,Berlin-L22HNC636B130,Berlin-L22HNC675B150CUSTC675D001,Berlin-L23C605B131,Berlin-L24HNC567B110,FRD-L02C432B120,FRD-L02C635B130,FRD-L02C675B170CUSTC675D001,FRD-L04C567B162,FRD-L04C605B131,FRD-L09C10B130,FRD-L09C185B130,FRD-L09C432B131,FRD-L09C636B130,FRD-L14C567B162,FRD-L19C10B130,FRD-L19C432B131,FRD-L19C636B130 have a factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the configuration flow by Swype Keyboard and can perform some operations to update the Google account. As a result, the FRP function is bypassed.

Impact

Vector 3.x
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
4.60
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:huawei:berlin-l21_firmware:berlin-l21c10b130:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l21_firmware:berlin-l21c185b133:*:*:*:*:*:*:*
cpe:2.3:h:huawei:berlin-l21:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l21hn_firmware:berlin-l21hnc10b131:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l21hn_firmware:berlin-l21hnc185b140:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l21hn_firmware:berlin-l21hnc432b151:*:*:*:*:*:*:*
cpe:2.3:h:huawei:berlin-l21hn:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l22_firmware:berlin-l22c636b160:*:*:*:*:*:*:*
cpe:2.3:h:huawei:berlin-l22:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l22hn_firmware:berlin-l22hnc636b130:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l22hn_firmware:berlin-l22hnc675b150custc675d001:*:*:*:*:*:*:*
cpe:2.3:h:huawei:berlin-l22hn:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l23_firmware:berlin-l23c605b131:*:*:*:*:*:*:*
cpe:2.3:h:huawei:berlin-l23:-:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berlin-l24hn_firmware:berlin-l24hnc567b110:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools