6.6
MEDIUM
CVE-2020-1787
Huawei Mate 20 Guest-to-Host Screen Lock Bypass Arbitrary Privilege Escalation Vulnerability
Description

HUAWEI Mate 20 smartphones versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. The system has a logic error under certain scenario, successful exploit could allow the attacker who gains the privilege of guest user to access to the host user's desktop in an instant, without unlocking the screen lock of the host user.

INFO

Published Date :

Jan. 9, 2020, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 5:11 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.7
Affected Products

The following products are affected by CVE-2020-1787 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Huawei mate_20_firmware
2 Huawei mate_20
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-1787.

URL Resource
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-02-smartphone-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-02-smartphone-en Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-1787 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-1787 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-02-smartphone-en
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 29, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-02-smartphone-en No Types Assigned https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200108-02-smartphone-en Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 9.1.0.139\(c00e133r3p1\) OR cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-1787 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability