CVE-2025-3977— iteachyou Dreamer CMS Attachment download improper authorization
Quick assessment
Affected
iteachyou Dreamer CMS
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.
Dreamer CMS是中国王俊南（Junnan Wang）个人开发者的一个梦想家内容管理系统。 Dreamer CMS 4.1.3及之前版本存在安全漏洞，该漏洞源于文件/admin/attachment/download中参数ID的错误操作导致授权不当。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2025-3977
Vulnerability Information
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Vulnerability Title
iteachyou Dreamer CMS Attachment download improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in iteachyou Dreamer CMS up to 4.1.3. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /admin/attachment/download of the component Attachment Handler. The manipulation of the argument ID leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Dreamer CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dreamer CMS是中国王俊南（Junnan Wang）个人开发者的一个梦想家内容管理系统。 Dreamer CMS 4.1.3及之前版本存在安全漏洞，该漏洞源于文件/admin/attachment/download中参数ID的错误操作导致授权不当。
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 |
|---|---|---|---|---|
| iteachyou | Dreamer CMS | 4.1.0 | - |
|
II. Public POCs for CVE-2025-3977
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-3977 (2)
-
CVE-2025-3977 iteachyou Dreamer CMS Attachment download improper authorization (IC13O1) vdb-entry technical-description
-
Submit #557639: iteachyou dreamer_cms 4.1.3 broken function level authorization third-party-advisory
Other References for CVE-2025-3977 (1)
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V. Comments for CVE-2025-3977
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