Keiyo PC Time Tracer up to 5.1 on Windows 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, which was classified as critical, has been found in Keiyo PC Time Tracer up to 5.1 on Windows. The impacted element is an unknown function. The manipulation leads to default permission. This vulnerability is referenced as CVE-2025-46355. The attack can only be performed from a local environment. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Keiyo PC Time Tracer up to 5.1 on Windows and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Incorrect default permissions issue in PC Time Tracer prior to 5.2. If exploited, arbitrary code may be executed with SYSTEM privilege on Windows system where the product is running by a local authenticated attacker.

It is possible to read the advisory at keiyo-system.co.jp. The identification of this vulnerability is CVE-2025-46355 since 05/28/2025. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 5.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-16715). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

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 (jpcert): 🔒

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: PC Time Tracer 5.2

Timelineinfo

05/28/2025 CVE reserved
06/03/2025 +6 days Advisory disclosed
06/03/2025 +0 days VulDB entry created
06/03/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: keiyo-system.co.jp
Status: Confirmed

CVE: CVE-2025-46355 (🔒)
GCVE (CVE): GCVE-0-2025-46355
GCVE (VulDB): GCVE-100-310955
EUVD: 🔒

Entryinfo

Created: 06/03/2025 10:24
Updated: 06/03/2025 14:33
Changes: 06/03/2025 10:24 (76), 06/03/2025 11:07 (1), 06/03/2025 14:33 (1)
Complete: 🔍
Cache ID: 216:7F4:103

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

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