Vulnerability · Published Apr 27, 2025 · Assigned by VulDB

CVE-2025-3977iteachyou Dreamer CMS Attachment download improper authorization

Medium 4.3

In plain English

A medium-severity security flaw in Dreamer CMS from iteachyou. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 68.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
iteachyou	Dreamer CMS	4.1.04.1.14.1.24.1.3

Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

VDB-306313 | iteachyou Dreamer CMS Attachment download improper authorization vdb-entry, technical-description
VDB-306313 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #557639 | iteachyou dreamer_cms 4.1.3 broken function level authorization third-party-advisory
https://gitee.com/iteachyou/dreamer_cms/issues/IC13O1 exploit, issue-tracking