CVE-2020-1833

Severity: low (CVSS 2.4 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: 2020-05-29 · updated 2026-06-17
Weakness: CWE-287

Description

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.

Affected products

Huawei Honor 9X: before 9.1.1.172\(c00e170r8p1\) — fixed in 9.1.1.172\(c00e170r8p1\)

How to fix

Upgrade to a fixed version: Huawei Honor 9X 9.1.1.172\(c00e170r8p1\). Check the vendor advisory for mitigations.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-05-smartphone-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-05-smartphone-en

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