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CVE-2022-39018— Broken access controls on PDFtron data in M-Files Hubshare

Quick assessment

Affected
M-Files Hubshare
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

M-Files Hubshare是M-Files公司的一个协作解决方案。旨在无缝共享文件、文档和协作内容。 M-Files Hubshare 3.3.11.3之前的版本存在安全漏洞，该漏洞源于其PDFtron数据的访问控制不完善允许未经身份验证的攻击者通过已知URL访问受限制的PDF文件。

CVSS 8.2 · High EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2022-39018

Vulnerability Information
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Vulnerability Title
Broken access controls on PDFtron data in M-Files Hubshare
Source: CVE Program / CVE List V5
Vulnerability Description
Broken access controls on PDFtron data in M-Files Hubshare before 3.3.11.3 allows unauthenticated attackers to access restricted PDF files via a known URL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
M-Files Hubshare 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
M-Files Hubshare是M-Files公司的一个协作解决方案。旨在无缝共享文件、文档和协作内容。 M-Files Hubshare 3.3.11.3之前的版本存在安全漏洞，该漏洞源于其PDFtron数据的访问控制不完善允许未经身份验证的攻击者通过已知URL访问受限制的PDF文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
M-Files Hubshare 3.3.1.6 -

II. Public POCs for CVE-2022-39018

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III. Intelligence Information for CVE-2022-39018

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Other References for CVE-2022-39018 (1)

Same Patch Batch · M-Files · 2022-10-31 · 4 CVEs total

CVE-2022-39016 8.2 HIGH Javascript injection in PDFtron in M-Files Hubshare
CVE-2022-39017 8.2 HIGH XSS in all comments fields in M-Files Hubshare
CVE-2022-39019 6.3 MEDIUM Broken access controls on PDFtron WebviewerUI in M-Files Hubshare

IV. Related Vulnerabilities

Same product: Hubshare
Same vendor: M-Files
Same weakness: CWE-200

V. Comments for CVE-2022-39018

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