CVE-2017-6922— Files uploaded by anonymous users into a private file system can be accessed by other anonymous users
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I. Basic Information for CVE-2017-6922
Vulnerability Information
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Vulnerability Title
Files uploaded by anonymous users into a private file system can be accessed by other anonymous users
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Drupal core 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal是Drupal社区所维护的一套用PHP语言开发的免费、开源的内容管理系统。 Drupal 7.56之前的7.x版本和8.3.4之前的8.x版本中存在安全漏洞。攻击者可利用该漏洞绕过安全限制，执行未授权的操作。
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 |
|---|---|---|---|---|
| Drupal | Drupal Core | Drupal 8 ~ 8.3.3 | - |
II. Public POCs for CVE-2017-6922
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Drupal · 2019-01-22 · 4 CVEs total
| CVE-2019-6338 | third-party PEAR Archive_Tar library updates | |
| CVE-2019-6339 | PHAR stream wrapper Arbitrary PHP code execution | |
| CVE-2017-6923 | Access bypass in Drupal 8 views |
IV. Related Vulnerabilities
Same product: Drupal Core
- CVE-2025-13083
Drupal core - Moderately critical - Information disclosure - - CVE-2025-13082
Drupal core - Moderately critical - Defacement - SA-CORE-202 - CVE-2025-13081
Drupal core - Moderately critical - Gadget chain - SA-CORE-2 - CVE-2025-13080
Drupal core - Moderately critical - Denial of Service - SA-C - CVE-2025-31675
Drupal core - Moderately critical - Cross Site Scripting - S
Same vendor: Drupal
- CVE-2026-0748
Access bypass in Drupal 7 i18n_node translation UI - CVE-2026-1556
Information disclosure via file URI overwrite in File (Field - CVE-2026-4393
Automated Logout - Moderately critical - Cross-site request - CVE-2026-4933
Unpublished Node Permissions - Critical - Access bypass - SA - CVE-2026-3573
AI (Artificial Intelligence) - Moderately critical - Informa
V. Comments for CVE-2017-6922
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