CVE-2025-3977

Name: CVE-2025-3977
Creator: NVD / NIST
Published: 2025-04-27T17:15:15.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2025-3977 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A vulnerability was found in iteachyou Dreamer CMS up to 4.1.3. It has been declared as problematic. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS 4.0

5.3/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.29%

21.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Iteachyou	Dreamer Cms	<= 4.1.3

References

https://gitee.com/iteachyou/dreamer_cms/issues/IC13O1Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.306313Permissions Required, VDB Entry
https://vuldb.com/?id.306313Third Party Advisory, VDB Entry
https://vuldb.com/?submit.557639Third Party Advisory, VDB Entry
https://gitee.com/iteachyou/dreamer_cms/issues/IC13O1Issue Tracking, Vendor Advisory

Timeline

Published: Apr 27, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-3977?

How severe is CVE-2025-3977?

CVE-2025-3977 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2025-3977?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-3977?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST