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CVE-2021-38688— Improper Authentication in Qfile

Quick assessment

Affected
QNAP Systems Inc. Qfile
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.

QNAP Qfile是中国威联通科技（QNAP）公司的在QNAP NAS上的免费配套应用程序，可让您使用 iPhone 或 iPad 浏览和管理 NAS 上的文件。 QNAP Qfile 存在授权问题漏洞，该漏洞源于在处理身份验证请求时发生错误。攻击者可利用该漏洞绕过身份验证过程并访问私有信息。

CVSS 7.1 · High EPSS 0.81% · P54

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-38688

Vulnerability Information
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Vulnerability Title
Improper Authentication in Qfile
Source: CVE Program / CVE List V5
Vulnerability Description
An improper authentication vulnerability has been reported to affect Android App Qfile. If exploited, this vulnerability allows attackers to compromise app and access information We have already fixed this vulnerability in the following versions of Qfile: Qfile 3.0.0.1105 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP File 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP Qfile是中国威联通科技（QNAP）公司的在QNAP NAS上的免费配套应用程序，可让您使用 iPhone 或 iPad 浏览和管理 NAS 上的文件。 QNAP Qfile 存在授权问题漏洞，该漏洞源于在处理身份验证请求时发生错误。攻击者可利用该漏洞绕过身份验证过程并访问私有信息。
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
QNAP Systems Inc. Qfile unspecified ~ 3.0.0.1105 -

II. Public POCs for CVE-2021-38688

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III. Intelligence Information for CVE-2021-38688

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Other References for CVE-2021-38688 (1)

IV. Related Vulnerabilities

Same vendor: QNAP Systems Inc.
Same weakness: CWE-287

V. Comments for CVE-2021-38688

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