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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Iteachyou Dreamer Cms — versions 4.1.0, 4.1.1, 4.1.2
- Iteachyou Dreamer Cms
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- gitee.com/iteachyou/dreamer_cms/issues/IC13O1 (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.