Lenovo App Store 5.1.110.5082/9.0.17 Installation default permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Lenovo App Store and classified as critical. This impacts an unknown function of the component Installation Handler. Executing a manipulation can lead to default permission. This vulnerability appears as CVE-2025-8485. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Lenovo App Store. This vulnerability affects an unknown code of the component Installation Handler. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An improper permissions vulnerability was reported in Lenovo App Store that could allow a local authenticated user to execute code with elevated privileges during installation of an application.

The weakness was presented by Wanjie. The advisory is shared for download at iknow.lenovo.com.cn. This vulnerability was named CVE-2025-8485 since 08/01/2025. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version 9.0.2530.1027 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.3
CNA Vector (lenovo): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: App Store 9.0.2530.1027

Timelineinfo

08/01/2025 CVE reserved
11/13/2025 +104 days Advisory disclosed
11/13/2025 +0 days VulDB entry created
11/13/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: lenovo.com

Advisory: iknow.lenovo.com.cn
Researcher: Wanjie
Status: Confirmed

CVE: CVE-2025-8485 (🔒)
GCVE (CVE): GCVE-0-2025-8485
GCVE (VulDB): GCVE-100-332308

Entryinfo

Created: 11/13/2025 07:52
Changes: 11/13/2025 07:52 (77)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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