CVE-2020-1787

MEDIUM
6.6
CVSS Score
Published: January 9, 2020 at 04:44 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
2 products affected across 1 vendorMate 20 FirmwareMate 20

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 9.1.0.139(c00e133r3p1)
Affected range stops below 9.1.0.139(c00e133r3p1), so it looks safe — our inference, not a vendor statement
huawei-mate-20 (same device)
v < 9.1.0.139
Affected range stops below 9.1.0.139, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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