What is the CVSS score of CVE-2020-1787?

CVE-2020-1787 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Mate 20 Firmware CVE-2020-1787

MEDIUM

Improper Authentication (CWE-287)

2020-01-09 psirt@huawei.com

Huawei Authentication Bypass Mate 20 Firmware

6.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jan 09, 2020 - 17:15 nvd

MEDIUM 6.6

DescriptionNVD

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.

AnalysisAI

HUAWEI Mate 20 smartphones versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Huawei Mate 20 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.