Vulnerability Name:

CVE-2020-9251 (CCN-185698)

Assigned:2020-07-22
Published:2020-07-22
Updated:2021-07-21
Summary:HUAWEI Mate 20 smartphones with versions earlier than 10.1.0.160(C00E160R2P11) have an improper authorization vulnerability. The software does not properly restrict certain operation in certain scenario, the attacker should do certain configuration before the user turns on student mode function. Successful exploit could allow the attacker to bypass the limit of student mode function. Affected product versions include: HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8).
CVSS v3 Severity:2.4 Low (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
2.1 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
2.4 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
2.1 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-9251

Source: XF
Type: UNKNOWN
huawei-cve20209251-sec-bypass(185698)

Source: CCN
Type: huawei-sa-20200722-02-smartphone
Improper Authorization Vulnerability in Several Smartphones

Source: MISC
Type: Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200722-02-smartphone-en

Vulnerable Configuration:Configuration 1:
  • cpe:/o:huawei:p30_firmware:*:*:*:*:*:*:*:* (Version < 10.1.0.160(c00e160r3p8))
  • AND
  • cpe:/h:huawei:mate_20:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:huawei:mate_20:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    huawei p30 firmware *
    huawei mate 20 -
    huawei mate 20 -