CVE-2020-1831

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-863

Description

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability. The digital balance function does not sufficiently restrict the using time of certain user, successful exploit could allow the user break the limit of digital balance function after a series of operations with a PC.

Affected products

HUAWEI Mate 20: before 10.0.0.195\(sp31c00e74r3p8\) — fixed in 10.0.0.195\(sp31c00e74r3p8\)

How to fix

Upgrade to a fixed version: HUAWEI Mate 20 10.0.0.195\(sp31c00e74r3p8\). Check the vendor advisory for mitigations.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-04-smartphone-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-04-smartphone-en

Get alerted when CVE-2020-1831 or the next vulnerability affects your stack