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

5.3 CVSS

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. In iteachyou Dreamer CMS bis 4.1.3 wurde eine problematische Schwachstelle ausgemacht. Dabei geht es um eine nicht genauer bekannte Funktion der Datei /admin/attachment/download der Komponente Attachment Handler. Durch das Manipulieren des Arguments ID mit unbekannten Daten kann eine improper authorization-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-3977

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.3

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Problem Types

Improper Authorization Incorrect Privilege Assignment

Affected Products

Vendor: iteachyou

Product: Dreamer CMS

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.23% (scored less or equal to compared to others)

EPSS Date: 2025-05-26 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3977
https://vuldb.com/?id.306313
https://vuldb.com/?ctiid.306313
https://vuldb.com/?submit.557639
https://gitee.com/iteachyou/dreamer_cms/issues/IC13O1

Timeline