HOMEVULNERABILITIESCVE-2025-3977
MEDIUM

CVE-2025-3977

CWE-266Published: April 27, 2025· Updated: Jun 17, 2026

4.3
CVSS v3.1

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.

NVD Source

Technical Analysis

CVE-2025-3977 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

iteachyou1 product(s)
dreamer cms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://gitee.com/iteachyou/dreamer_cms/issues/IC13O1
ADVISORYhttps://vuldb.com/?id.306313
ADVISORYhttps://vuldb.com/?submit.557639
ADVISORYhttps://gitee.com/iteachyou/dreamer_cms/issues/IC13O1

All References (5)

→
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

Quick Facts

CVE IDCVE-2025-3977
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-266
CISA KEVNo
Affected1 vendor(s)
PublishedApr 27, 2025

Related CVEs (CWE-266)

CVE-2024-9478
10.0
CVE-2024-9479
10.0
CVE-2025-62645
9.9
CVE-2026-42368
9.9
CVE-2026-32922
9.9
CVE-2025-54049
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-3977 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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