There is an information disclosure vulnerability in several smartphones.

published 2020-10-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29938

cvss: 4.6; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits: 0; none known

There is an information disclosure vulnerability in several smartphones. 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, and successful exploit could cause information disclosure.Affected product versions include:HUAWEI Mate 20 versions earlier than 10.1.0.160(C00E160R3P8),versions earlier than 10.1.0.160(C01E160R2P8);HUAWEI Mate 20 X versions earlier than 10.1.0.160(C00E160R2P8),versions earlier than 10.1.0.160(C01E160R2P8);HUAWEI P30 Pro versions earlier than 10.1.0.160(C00E160R2P8);Laya-AL00EP versions earlier than 10.1.0.160(C786E160R3P8);Tony-AL00B versions earlier than 10.1.0.160(C00E160R2P11);Tony-TL00B versions earlier than 10.1.0.160(C01E160R2P11).

Patch / fix

fixed in 6

huawei mate_20_firmware 10.1.0.160\(c00e160r3p8\), 10.1.0.160\(c01e160r2p8\)
huawei mate_20_x_firmware 10.1.0.160\(c00e160r2p8\), 10.1.0.160\(c01e160r2p8\)
huawei p30_pro_firmware 10.1.0.160\(c00e160r2p8\)
huawei laya-al00ep_firmware 10.1.0.160\(c786e160r3p8\)
huawei tony-al00b_firmware 10.1.0.160\(c00e160r2p11\)
huawei tony-tl00b_firmware 10.1.0.160\(c01e160r2p11\)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.6	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	1.9	AV:L/AC:M/Au:N/C:P/I:N/A:N

Affected products

n/a HUAWEI Mate 20;HUAWEI Mate 20 X;HUAWEI P30 Pro;Laya-AL00EP;Tony-AL00B;Tony-TL00B

Classification

Weakness

CWE-287 Improper Authentication

References

huawei.com /en/psirt/security-advisories/huawei-sa-20200930-01-dos-en
vendor-advisory

Sources

CVE List CVE-2020-9109
NVD CVE-2020-9109

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Summary