Vulnerability Name:

CVE-2020-1796 (CCN-178027)

Assigned:2019-11-29
Published:2020-03-18
Updated:2020-03-24
Summary:There is an improper authorization vulnerability in several smartphones. The software incorrectly performs an authorization to certain user, successful exploit could allow a low privilege user to do certain operation which the user are supposed not to do.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:6.6 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/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): High
Integrity (I): High
Availibility (A): High
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-863
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-1796

Source: XF
Type: UNKNOWN
huawei-cve20201796-sec-bypass(178027)

Source: CCN
Type: huawei-sa-20200318-05-smartphone
Improper Authorization Vulnerability in Several Smartphones

Source: MISC
Type: Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200318-05-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 -