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Vulnerability record · CVE-2020-1803 · published 20 April 2020

CVE-2020-1803: Huawei honor v20 firmware improper authentication vulnerability

Huawei · Honor V20 Firmware

Huawei smartphones Honor V20 with versions earlier than 10.0.0.179(C636E3R4P3),versions earlier than 10.0.0.180(C185E3R3P3),versions earlier than 10.0.0.180(C432E10R3P4) have an information disclosure vulnerability. The device does not sufficiently validate the identity of smart wearable device in certain specific scenario, the attacker need to gain certain information in the victim's smartphone to launch the attack, successful exploit could cause information disclosure.

5.3 CVSS 3.1 Medium EPSS 0.32% · top 76.6% CWE-287 · Improper authentication
5.3CVSS 3.1 base score, v2 2.9
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Huawei smartphones Honor V20 with versions earlier than 10.0.0.179(C636E3R4P3),versions earlier than 10.0.0.180(C185E3R3P3),versions earlier than 10.0.0.180(C432E10R3P4) have an information disclosure vulnerability. The device does not sufficiently validate the identity of smart wearable device in certain specific scenario, the attacker need to gain certain information in the victim's smartphone to launch the attack, successful exploit could cause information disclosure.

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

Affected products

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

References

LinkTags
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-02-smartphone-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-02-smartphone-en Vendor Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-02-smartphone-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-02-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-2020-1803), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.