CVE-2019-19412

Physical FRP bypass via TalkBack application installation

Published Jun 8, 2020 · Updated Aug 5, 2024

Factory Reset Protection bypass in affected Huawei smartphones allows physically proximate attackers to install a third-party application. During post-reset reconfiguration, the setup flow permits entry into TalkBack mode and exposes application-installation operations without completing the protected account check. Physical possession of a reset device is required, and exploitation bypasses FRP ownership verification rather than exposing a network-accessible path.

CVSS severity4.6
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Factory Reset Protection bypass in affected Huawei smartphones allows physically proximate attackers to install a third-party application. During post-reset reconfiguration, the setup flow permits entry into TalkBack mode and exposes application-installation operations without completing the protected account check. Physical possession of a reset device is required, and exploitation bypasses FRP ownership verification rather than exposing a network-accessible path.

The record

CVE
CVE-2019-19412
Published
Jun 8, 2020
Updated
Aug 5, 2024
Vendor
Huawei
Product
Honor 9 Lite
Classifications
Unavailable
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 8, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=earlier than 8.0.0.135(C185)
  2. Affected versionversion=earlier than 8.0.0.139(C432)
  3. Affected versionversion=earlier than 8.0.0.182(C00)
  4. Affected versionversion=earlier than 9.1.0.118(C636E4R1P1T8)

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Huawei · Honor 9 Liteversion=earlier than 8.0.0.135(C185); version=earlier than 8.0.0.139(C432); version=earlier than 8.0.0.182(C00); version=earlier than 9.1.0.118(C636E4R1P1T8)
Huawei · Honor View 10version=earlier than 8.0.0.172(C432); version=earlier than 8.0.0.173(C636); version=earlier than 9.0.0.156(C00E156R2P14T8); version=earlier than 9.0.0.202(C567E6R1P12T8)
Huawei · Huawei P20 liteversion=earlier than 8.0.0.147(C461); version=earlier than 8.0.0.148(C635); version=earlier than 8.0.0.148(ZAFC185); version=earlier than 8.0.0.155(C185); version=earlier than 8.0.0.155(C605); version=earlier than 8.0.0.156(C605); version=earlier than 8.0.0.157(C432); version=earlier than 8.0.0.160(C185); version=earlier than 8.0.0.160(C605); version=earlier than 8.0.0.168(C00); version=earlier than 8.0.0.168(C432); version=earlier than 8.0.0.172(C636)
Huawei · Huawei P20version=earlier than 9.0.0.159(C185E2R1P12T8); version=earlier than 9.0.0.159(C461E2R1P11T8); version=earlier than 9.0.0.160(C432E7R1P11T8); version=earlier than 9.0.0.165(C605E2R1P12); version=earlier than 9.0.0.168(C636E7R1P13T8); version=earlier than 9.0.0.168(C782E3R1P11T8); version=earlier than 9.0.0.196(C635E2R1P11T8)
Huawei · Huawei P smartversion=earlier than 9.1.0.130(C185E6R1P5T8); version=earlier than 9.1.0.130(C432E8R1P5T8); version=earlier than 9.1.0.130(C605E6R1P5T8); version=earlier than 9.1.0.130(C635E6R1P5T8)
Huawei · Huawei Mate 10version=earlier than 9.0.0.177(C185E2R1P12T8); version=earlier than 9.0.0.181(C00E87R2P20T8); version=earlier than 9.0.0.195(C636E2R1P12); version=earlier than 9.0.0.201(C432E4R1P9)
Huawei · Huawei Mate 10 Proversion=earlier than 9.0.0.177(C185E2R1P13T8); version=earlier than 9.0.0.179(C576E2R1P7T8); version=earlier than 9.0.0.181(C00E88R2P15T8); version=earlier than 9.0.0.194(C185E2R1P13); version=earlier than 9.0.0.206(C432E4R1P11); version=earlier than 9.0.0.210(C635E4R1P13)
Huawei · Huawei Y9 2018version=earlier than 8.0.0.129(C605); version=earlier than 8.0.0.131(C432); version=earlier than 8.0.0.132(C185); version=earlier than 8.0.0.132(C636); version=earlier than 8.0.0.144(C605); version=earlier than 9.1.0.121(C605E5R1P1T8)

Published CVSS scores

4.6HuaweiCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
4.3HuaweiCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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