Auth bypass in Huawei Mate 20

CVE-2020-1787

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (16.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-1787: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-1787?
CVE-2020-1787 is a medium-severity vulnerability in Huawei Mate 20, classified under Improper Authentication. CVSS score: 6.6/10. Published 2020-01-09.
How severe is CVE-2020-1787?
Medium severity. CVSS v3 base score is 6.6 out of 10.