VDB-155883 · CVE-2020-1797 · GCVE-0-2020-1797

Huawei Mate 20 prior 10.0.0.185(C00E74R3P8) ADB Mode authorization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Huawei Mate 20. It has been rated as critical. This affects an unknown part of the component ADB Mode. Performing a manipulation results in authorization. This vulnerability was named CVE-2020-1797. The attack may be carried out on the physical device. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Huawei Mate 20 (Smartphone Operating System). This affects an unknown function of the component ADB Mode. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.185(C00E74R3P8) have an improper authorization vulnerability. The system does not properly restrict certain operation in ADB mode, successful exploit could allow certain user break the limit of digital balance function.

The weakness was presented 05/29/2020 (Website). It is possible to read the advisory at huawei.com. This vulnerability is uniquely identified as CVE-2020-1797 since 11/29/2019. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 10.0.0.185(C00E74R3P8) eliminates this vulnerability.

See VDB-155886 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Huawei

Name

Mate 20

License

commercial

Website

Vendor: https://www.huawei.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mate 20 10.0.0.185(C00E74R3P8)

Timelineinfo

11/29/2019 🔍
05/29/2020 +182 days 🔍
05/30/2020 +1 days 🔍
10/20/2020 +143 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: huawei.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-1797 (🔍)
GCVE (CVE): GCVE-0-2020-1797
GCVE (VulDB): GCVE-100-155883
See also: 🔍

Entryinfo

Created: 05/30/2020 09:25
Updated: 10/20/2020 21:58
Changes: 05/30/2020 09:25 (39), 05/30/2020 09:30 (18), 10/20/2020 21:58 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.