Vulnerability Name:

CVE-2020-1795 (CCN-178023)

Assigned:2019-11-29
Published:2020-03-18
Updated:2020-03-24
Summary:There is a logic error vulnerability in several smartphones. The software does not properly restrict certain operation when the Digital Balance function is on. Successful exploit could allow the attacker to bypass the Digital Balance limit after a series of operations.Affected product versions include:HUAWEI Mate 20 versions Versions earlier than 10.0.0.188(C00E74R3P8);HUAWEI Mate 30 Pro versions Versions earlier than 10.0.0.203(C00E202R7P2).
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
2.1 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
1.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:L/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): Low
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
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-1795

Source: XF
Type: UNKNOWN
huawei-cve20201795-sec-bypass(178023)

Source: CCN
Type: huawei-sa-20200318-04-smartphone
Logic Error Vulnerability in Several Smartphones

Source: MISC
Type: Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200318-04-smartphone-en

Vulnerable Configuration:Configuration 1:
  • cpe:/o:huawei:mate_20_firmware:*:*:*:*:*:*:*:* (Version < 10.0.0.188(c00e74r3p8))
  • AND
  • cpe:/h:huawei:mate_20:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:huawei:mate_30_pro_firmware:*:*:*:*:*:*:*:* (Version < 10.0.0.203(c00e202r7p2))
  • AND
  • cpe:/h:huawei:mate_30_pro:-:*:*:*:*:*:*:*

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

  • * Denotes that component is vulnerable
    BACK
    huawei mate 20 firmware *
    huawei mate 20 -
    huawei mate 30 pro firmware *
    huawei mate 30 pro -
    huawei mate 20 -