CVE-2020-9109

What it is

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).

At a glance

Exploitability

Can be exploited with physical access without logging in. High risk of data exposure.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2020-10-12 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:27 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.2% in the next 30 days (EPSS).
• Severity: 4.6 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2020-10-12 14:15 UTC

Last modified

2026-06-17 03:27 UTC

Exploit probability

0.2% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Modified

Affected

• Huawei Mate 20 Firmware < 10.1.0.160\(c00e160r3p8\)
• Huawei Mate 20 Firmware < 10.1.0.160\(c01e160r2p8\)
• Huawei Mate 20 X Firmware < 10.1.0.160\(c00e160r2p8\)
• Huawei Mate 20 X Firmware < 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\(c01e160r2p11\)

Attack profile CVSS 3.1 · 4.6

Attack vector

Physical

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

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