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Mate 30 Firmware CVE-2021-22307

MEDIUM
2021-02-06 psirt@huawei.com
5.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

There is a weak algorithm vulnerability in Mate 3010.0.0.203(C00E201R7P2). Rated medium severity (CVSS 5.5), 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

There is a weak algorithm vulnerability in Mate 3010.0.0.203(C00E201R7P2). The protection is insufficient for the modules that should be protected. Local attackers can exploit this vulnerability to affect the integrity of certain module. Affected products include: Huawei Mate 30 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

There is a weak algorithm vulnerability in Mate 3010.0.0.203(C00E201R7P2). The protection is insufficient for the modules that should be protected. Local attackers can exploit this vulnerability to affect the integrity of certain module.

Threat Intelligence Overview

EPSS Score
0.2%
Top 90% exploitable
Data Quality
2 sources
Confidence: Low

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 0.2%
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

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:huawei:mate_30_firmware:10.0.0.203\(c00e201r7p2\):*:*:*:*:*:*:*
CVE-2020-0022 HIGH POC
8.8 Feb 13

In reassemble_and_dispatch of packet_fragmenter.cc, there is possible out of bounds write due to an incorrect bounds cal

CVE-2020-9263 HIGH
7.8 Oct 19

HUAWEI Mate 30 versions earlier than 10.1.0.150(C00E136R5P3) and HUAWEI P30 version earlier than 10.1.0.160(C00E160R2P11

CVE-2020-9262 HIGH
7.8 Jul 06

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a use after free vulnerability. Rated high severi

CVE-2020-9261 HIGH
7.8 Jul 06

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a type confusion vulnerability. Rated high severi

CVE-2021-22301 MEDIUM
6.7 Feb 06

Mate 30 10.0.0.203(C00E201R7P2) have a buffer overflow vulnerability. Rated medium severity (CVSS 6.7), this vulnerabili

CVE-2020-9125 MEDIUM
6.7 Dec 29

There is an out-of-bound read vulnerability in huawei smartphone Mate 30 versions earlier than 10.1.0.156 (C00E155R7P2).

CVE-2020-9129 MEDIUM
6.7 Nov 13

HUAWEI Mate 30 versions earlier than 10.1.0.159(C00E159R7P2) have a vulnerability of improper buffer operation. Rated me

CVE-2020-1835 MEDIUM
6.5 Jun 18

HUAWEI Mate 30 with versions earlier than 10.1.0.126(C00E125R5P3) have an information disclosure vulnerability. Rated me

CVE-2020-1839 MEDIUM
6.3 Jul 06

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a race condition vulnerability. Rated medium seve

CVE-2020-9119 MEDIUM
6.2 Dec 24

There is a privilege escalation vulnerability on some Huawei smart phones due to design defects. Rated medium severity (

CVE-2021-22364 MEDIUM
5.5 May 27

There is a denial of service vulnerability in the versions 10.1.0.126(C00E125R5P3) of HUAWEI Mate 30 and 10.1.0.152(C00E

CVE-2020-9243 MEDIUM
5.5 Aug 10

HUAWEI Mate 30 with versions earlier than 10.1.0.150(C00E136R5P3) have a denial of service vulnerability. Rated medium s

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