Lenovo PC Manager/Browser/App Store prior 5.1.110.5082 Protection Driver heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Lenovo PC Manager, Browser and App Store. Affected by this vulnerability is an unknown functionality of the component Protection Driver. Performing a manipulation results in heap-based overflow. This vulnerability was named CVE-2025-4657. The attack needs to be approached locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lenovo PC Manager, Browser and App Store. It has been classified as critical. This affects some unknown processing of the component Protection Driver. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow vulnerability was reported in the Lenovo Protection Driver, prior to version 5.1.1110.4231, used in Lenovo PC Manager, Lenovo Browser, and Lenovo App Store could allow a local attacker with elevated privileges to execute arbitrary code.

The weakness was presented by Gareth Evans. The advisory is shared at iknow.lenovo.com.cn. This vulnerability is uniquely identified as CVE-2025-4657 since 05/13/2025. The exploitability is told to be easy. An attack has to be approached locally. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.1.110.5082 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21798). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (lenovo): 🔒

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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: PC Manager/Browser/App Store 5.1.110.5082

Timelineinfo

05/13/2025 CVE reserved
07/17/2025 +65 days Advisory disclosed
07/17/2025 +0 days VulDB entry created
07/17/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: lenovo.com

Advisory: iknow.lenovo.com.cn
Researcher: Gareth Evans
Status: Confirmed

CVE: CVE-2025-4657 (🔒)
GCVE (CVE): GCVE-0-2025-4657
GCVE (VulDB): GCVE-100-316833
EUVD: 🔒

Entryinfo

Created: 07/17/2025 21:59
Updated: 07/17/2025 22:11
Changes: 07/17/2025 21:59 (76), 07/17/2025 22:11 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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