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Vulnerability record · CVE-2020-9247 · published 7 December 2020

CVE-2020-9247: Huawei honor 20 pro firmware classic buffer overflow vulnerability

Huawei · Honor 20 Pro Firmware

There is a buffer overflow vulnerability in several Huawei products. The system does not sufficiently validate certain configuration parameter which is passed from user that would cause buffer overflow. The attacker should trick the user into installing and running a malicious application with a high privilege, successful exploit may cause code execution. Affected product include Huawei HONOR 20 PRO, Mate 20, Mate 20 Pro, Mate 20 X, P30, P30 Pro, Hima-L29C, Laya-AL00EP, Princeton-AL10B, Tony-AL00B, Yale-L61A, Yale-TL00B and YaleP-AL10B.

7.8 CVSS 3.1 High EPSS 0.83% · top 43.8% CWE-120 · Classic buffer overflow
7.8CVSS 3.1 base score, v2 6.8
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

There is a buffer overflow vulnerability in several Huawei products. The system does not sufficiently validate certain configuration parameter which is passed from user that would cause buffer overflow. The attacker should trick the user into installing and running a malicious application with a high privilege, successful exploit may cause code execution. Affected product include Huawei HONOR 20 PRO, Mate 20, Mate 20 Pro, Mate 20 X, P30, P30 Pro, Hima-L29C, Laya-AL00EP, Princeton-AL10B, Tony-AL00B, Yale-L61A, Yale-TL00B and YaleP-AL10B.

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

Affected products

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

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200729-03-smartphone-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200729-03-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-2020-9247), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.