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Vulnerability record · CVE-2020-1796 · published 20 March 2020

CVE-2020-1796: Huawei mate 20 firmware incorrect authorization vulnerability

Huawei · Mate 20 Firmware

There is an improper authorization vulnerability in several smartphones. The software incorrectly performs an authorization to certain user, successful exploit could allow a low privilege user to do certain operation which the user are supposed not to do.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).

6.6 CVSS 3.1 Medium EPSS 0.20% · top 91.4% CWE-863 · Incorrect authorization
6.6CVSS 3.1 base score, v2 4.6
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

There is an improper authorization vulnerability in several smartphones. The software incorrectly performs an authorization to certain user, successful exploit could allow a low privilege user to do certain operation which the user are supposed not to do.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).

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200318-05-smartphone-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200318-05-smartphone-en Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1796), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.