Auth bypass in Iteachyou Dreamer Cms

CVE-2025-3977

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.

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (issue-tracking, exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-3977?
CVE-2025-3977 is a medium-severity vulnerability in Iteachyou Dreamer Cms, classified under Incorrect Privilege Assignment. CVSS score: 4.3/10. Published 2025-04-27.
How severe is CVE-2025-3977?
Medium severity. CVSS v3 base score is 4.3 out of 10.