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CVE-2023-53930— ProjectSend r1605 Insecure Direct Object Reference File Download Vulnerability

Quick assessment

Affected
projectSend projectSend
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.

ProjectSend（cFTP）是ProjectSend开源的一套基于PHP和MySQL的自托管应用程序。 ProjectSend r1605存在安全漏洞，该漏洞源于未经验证的攻击者可通过操纵下载ID参数下载私人文件，可能导致不安全的直接对象引用攻击。

CVSS 7.5 · High EPSS 0.38% · P31

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-53930

Vulnerability Information
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Vulnerability Title
ProjectSend r1605 Insecure Direct Object Reference File Download Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
ProjectSend r1605 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to download private files by manipulating the download ID parameter. Attackers can access any user's private files by changing the 'id' parameter in the download request to process.php.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
ProjectSend 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProjectSend（cFTP）是ProjectSend开源的一套基于PHP和MySQL的自托管应用程序。 ProjectSend r1605存在安全漏洞，该漏洞源于未经验证的攻击者可通过操纵下载ID参数下载私人文件，可能导致不安全的直接对象引用攻击。
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
projectSend projectSend r1605 -

II. Public POCs for CVE-2023-53930

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III. Intelligence Information for CVE-2023-53930

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Exploits & Public PoCs for CVE-2023-53930 (1)

Other References for CVE-2023-53930 (1)

Same Patch Batch · projectSend · 2025-12-17 · 3 CVEs total

CVE-2023-53905 8.0 HIGH ProjectSend r1605 CSV Injection via User Account Export Functionality
CVE-2023-53906 4.8 MEDIUM ProjectSend r1605 Stored Cross-Site Scripting via Custom Assets Page

IV. Related Vulnerabilities

Same product: projectSend
Same vendor: projectSend
Same weakness: CWE-639

V. Comments for CVE-2023-53930

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