i-フィルター 10 File Access Permission sSettings default permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in i-フィルター 10, i-フィルター 6.0, i-フィルター for ネットカフェ, i-フィルター for マルチデバイス, i-フィルター for ZAQ, i-フィルター for プロバイダー, i-FILTER ブラウザー＆クラウド MultiAgent for Windows, DigitalArts@Cloud Agent, Optimal Biz Web Filtering Powered by i-FILTER, MobiConnect i-FILTER Browser Option MultiAgent for Windows and i-FILTER Browser & Cloud MultiAgent for Windows. This issue affects some unknown processing of the component File Access Permission sSettings. The manipulation leads to default permission. This vulnerability is referenced as CVE-2026-28267. The attack can only be performed from a local environment. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in i-フィルター 10, i-フィルター 6.0, i-フィルター for ネットカフェ, i-フィルター for マルチデバイス, i-フィルター for ZAQ, i-フィルター for プロバイダー, i-FILTER ブラウザー＆クラウド MultiAgent for Windows, DigitalArts@Cloud Agent, Optimal Biz Web Filtering Powered by i-FILTER, MobiConnect i-FILTER Browser Option MultiAgent for Windows and i-FILTER Browser & Cloud MultiAgent for Windows and classified as critical. This issue affects some unknown functionality of the component File Access Permission sSettings. 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:

Multiple i-フィルター products are configured with improper file access permission settings. Files may be created or overwritten in the system directory or backup directory by a non-administrative user.

The advisory is shared at daj.jp. The identification of this vulnerability is CVE-2026-28267 since 02/26/2026. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Name

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: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
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: 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: 🔒

Timelineinfo

02/26/2026 CVE reserved
03/10/2026 +12 days Advisory disclosed
03/10/2026 +0 days VulDB entry created
03/15/2026 +5 days VulDB entry last update

Sourcesinfo

Advisory: daj.jp
Status: Confirmed

CVE: CVE-2026-28267 (🔒)
GCVE (CVE): GCVE-0-2026-28267
GCVE (VulDB): GCVE-100-349925

Entryinfo

Created: 03/10/2026 07:30
Updated: 03/15/2026 21:11
Changes: 03/10/2026 07:30 (74), 03/15/2026 21:11 (1)
Complete: 🔍
Cache ID: 216::103

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