CVE-2020-13671
Quick assessment
Affected
Drupal Drupal Core
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Drupal core是Drupal社区的一套用PHP语言开发的免费、开源的内容管理系统。 Drupal Core 存在安全漏洞，攻击者利用该漏洞可以在Drupal Core上上传恶意文件。
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 1 AI
T1505.003 · Web Shell
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2020-13671
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Drupal core 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal core是Drupal社区的一套用PHP语言开发的免费、开源的内容管理系统。 Drupal Core 存在安全漏洞，攻击者利用该漏洞可以在Drupal Core上上传恶意文件。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Drupal | Drupal Core | 9.0 versions prior to 9.0.8 | - |
|
II. Public POCs for CVE-2020-13671
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-13671
请登录查看更多情报信息。
Mailing List Discussions for CVE-2020-13671 (2)
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ vendor-advisory x_refsource_FEDORA
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2020-13671 (1)
-
https://www.drupal.org/sa-core-2020-012 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: Drupal Core
-
CVE-2026-15916
Drupal core - Moderately critical - Information disclosure - -
CVE-2026-15917
Drupal core - Moderately critical - Cross-site scripting - S -
CVE-2026-55805
Drupal core - Moderately critical - Cross-site scripting - S -
CVE-2026-55808
Drupal core - Moderately critical - Improper validation - SA -
CVE-2026-55807
Drupal core - Moderately critical - Server-side request forg
Same vendor: Drupal
-
CVE-2026-16647
Disable Login Page - Moderately critical - Access bypass - S -
CVE-2026-18986
Entity Browser - Moderately critical - Cross site scripting -
CVE-2026-73475
Commerce PayPal - Moderately critical - Access bypass - SA-C -
CVE-2026-73478
Diff - Moderately critical - Access bypass - SA-CONTRIB-2026 -
CVE-2026-73474
Entity Share Websub - Moderately critical - Server-side requ
V. Comments for CVE-2020-13671
No comments yet