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Mate 9 Firmware CVE-2018-7940

MEDIUM
Improper Authentication (CWE-287)
2018-05-10 psirt@huawei.com
Authentication Bypass Huawei Mate 9 Firmware Mate 9 Pro Firmware
6.2
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-287
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 6.2 (MEDIUM). Attack characteristics: physical attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived

An attacker could exploit this vulnerability to bypass authentication mechanisms to gain unauthorized access.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

Huawei smart phones Mate 10 and Mate 10 Pro with earlier versions than 8.0.0.129(SP2C00) and earlier versions than 8.0.0.129(SP2C01) have an authentication bypass vulnerability. Rated medium severity (CVSS 6.2), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Huawei smart phones Mate 10 and Mate 10 Pro with earlier versions than 8.0.0.129(SP2C00) and earlier versions than 8.0.0.129(SP2C01) have an authentication bypass vulnerability. An attacker with high privilege obtains the smart phone and bypass the activation function by some specific operations. Affected products include: Huawei Mate 9 Firmware, Huawei Mate 9 Pro Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.2 MEDIUM
AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Physical
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Huawei smart phones Mate 10 and Mate 10 Pro with earlier versions than 8.0.0.129(SP2C00) and earlier versions than 8.0.0.129(SP2C01) have an authentication bypass vulnerability. An attacker with high privilege obtains the smart phone and bypass the activation function by some specific operations.

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

31
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +31
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:o:huawei:mate_9_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:mate_9_pro_firmware:*:*:*:*:*:*:*:*

More in Mate 9 Firmware

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CVE-2017-15311 HIGH
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CVE-2017-8142 HIGH
7.8 Nov 22

The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions earli
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7.8 Dec 22

The GPU driver of Mate 9 Huawei smart phones with software before MHA-AL00B 8.0.0.334(C00) and Mate 9 Pro Huawei smart p
CVE-2017-2716 HIGH
7.8 Nov 22

The camerafs driver in Mate 9 Versions earlier than MHA-AL00BC00B173 has buffer overflow vulnerability. Rated high sever
CVE-2017-2706 HIGH
7.1 Nov 22

Mate 9 smartphones with software MHA-AL00AC00B125 have a directory traversal vulnerability in Push module. Rated high se
CVE-2017-2707 HIGH
7.1 Nov 22

Mate 9 smartphones with software MHA-AL00AC00B125 have a privilege escalation vulnerability in Push module. Rated high s
CVE-2017-2703 MEDIUM
6.8 Nov 22

Phone Finder in versions earlier before MHA-AL00BC00B156,Versions earlier before MHA-CL00BC00B156,Versions earlier befor
CVE-2017-2702 MEDIUM
6.8 Nov 22

Phone Finder in versions earlier before MHA-AL00C00B170 can be bypass. Rated medium severity (CVSS 6.8), this vulnerabil
CVE-2018-7930 MEDIUM
5.7 Apr 11

The Near Field Communication (NFC) module in Mate 9 Huawei mobile phones with the versions before MHA-L29B 8.0.0.366(C56
CVE-2017-8144 MEDIUM
5.5 Nov 22

Honor 5A,Honor 8 Lite,Mate9,Mate9 Pro,P10,P10 Plus Huawei smartphones with software the versions before CAM-L03C605B143C
CVE-2018-7992 MEDIUM
5.5 Jul 31

Mdapt Driver of Huawei MediaPad M3 BTV-W09C128B353CUSTC128D001; Mate 9 Pro versions earlier than 8.0.0.356(C00); P10 Plu
CVE-2019-5264 MEDIUM
4.6 Dec 13

There is an information disclosure vulnerability in certain Huawei smartphones (Mate 10;Mate 10 Pro;Honor V10;Changxiang

Same weakness CWE-287 – Improper Authentication

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CVE-2023-35078 CRITICAL POC
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CVE-2015-1187 CRITICAL POC
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CVE-2017-7921 CRITICAL POC
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Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC
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CVE-2023-22515 CRITICAL POC
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CVE-2012-4681 CRITICAL POC
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CVE-2013-2465 CRITICAL POC
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CVE-2011-3544 CRITICAL POC
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CVE-2024-0012 CRITICAL POC
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References

Advisories & patches
ADVISORY http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180509-01-mobile-en

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