Auth bypass in Huawei Honor 9x

CVE-2020-1833

Honor 9X smartphones with versions earlier than 9.1.1.172(C00E170R8P1) have an improper authentication vulnerability. A logic error occurs when handling clock function, an attacker should do a series of crafted operations quickly before the phone is unlocked, successful exploit could allow the attacker to access clock information without unlock the phone.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.3% 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-2020-1833: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-1833?
CVE-2020-1833 is a low-severity vulnerability in Huawei Honor 9x, classified under Improper Authentication. CVSS score: 2.4/10. Published 2020-05-29.
How severe is CVE-2020-1833?
Low severity. CVSS v3 base score is 2.4 out of 10.