CVE-2020-1794

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-03-20 · updated 2026-06-17
Weakness: CWE-287

Description

There is an improper authentication vulnerability in several smartphones. The applock does not perform a sufficient authentication in certain scenarios, successful exploit could allow the attacker to gain certain data of the application which is locked. 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).

Affected products

HUAWEI Mate 20: before 10.0.0.188\(c00e74r3p8\) — fixed in 10.0.0.188\(c00e74r3p8\)
HUAWEI Mate 30 Pro: before 10.0.0.203\(c00e202r7p2\) — fixed in 10.0.0.203\(c00e202r7p2\)

How to fix

Upgrade to a fixed version: HUAWEI Mate 20 10.0.0.188\(c00e74r3p8\); HUAWEI Mate 30 Pro 10.0.0.203\(c00e202r7p2\). Check the vendor advisory for mitigations.

References

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