NVD / CVE Program· CNA VulDB

CVE-2024-3311: Dreamer CMS ThemesController.java ZipUtils.unZipFiles path traversal

Noroxi assessment

Priority: Monitor (action score 35/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 1% (FIRST EPSS); higher than 63.3% of all records.
Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
Fixed version: Dreamer CMS 4.1.3.1.
Severity is disputed: the assigning authority (CNA) scores it 6.3, NVD 8.8.

Low priority for now. Upgrade to Dreamer CMS 4.1.3.1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A vulnerability was found in Dreamer CMS up to 4.1.3.0. It has been declared as critical. Affected by this vulnerability is the function ZipUtils.unZipFiles of the file controller/admin/ThemesController.java. The manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 4.1.3.1 is able to address this issue. It is recommended to upgrade the affected component. The identifier VDB-259369 was assigned to this vulnerability.

HighCVSS 8.8 · v3.1—No exploit Fix available

Path traversal

Published: Apr 4, 2024
Updated: Jun 17, 2026
EPSS: 1.0% · 63th percentile
CWE: CWE-22

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 35 / 40 · 8.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 1.0%

CISA SSVC decision

Exploitation: proof of concept
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: 8.8
CNA · VulDB: 6.3; 2.5 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
iteachyou	dreamer cms	cpe:2.3:a:iteachyou:dreamer_cms

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

iteachyou dreamer cmsbefore 4.1.3.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

Dreamer CMS
- 4.1.0, 4.1.1, 4.1.2, 4.1.3affected

Same product

iteachyou: all records

Other highest-scoring records for the same primary product.

CVE-2023-42279Dreamer CMS v4.1.3 was discovered to contain a SQL injection vulnerability via the model-form-management-field form.
39Monitor
CVE-2021-43084An SQL Injection vulnerability exists in Dreamer CMS 4.0.0 via the tableName parameter.
39Monitor
CVE-2023-46886Dreamer CMS before version 4.0.1 is vulnerable to Directory Traversal.
36Monitor

Published before and after this one in the same product

← EarlierCVE-2024-25811Mar 20, 2024 · An access control issue in Dreamer CMS v4.0.1 allows attackers to download backup files and leak sensitive information.
26Monitor
← EarlierCVE-2024-3118Mar 31, 2024 · Dreamer CMS Attachment permission
35Monitor
Later →CVE-2025-1543Feb 21, 2025 · iteachyou Dreamer CMS ueditor-1.4.3.3 path traversal
21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
Dreamer CMS	4.1.3.1 · description	Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

passwd7 (VulDB User)reporter

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2023-46886127 days apartDreamer CMS before version 4.0.1 is vulnerable to Directory Traversal.
36Monitor
CVE-2023-43382192 days apartDirectory Traversal vulnerability in itechyou dreamer CMS v.4.1.3 allows a remote attacker to execute arbitrary code via the themePath in th
36Monitor
CVE-2025-1543323 days apartiteachyou Dreamer CMS ueditor-1.4.3.3 path traversal
21Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

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

nvd-primary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const file = path.join(ROOT, req.query.name);
2res.sendFile(file);

Fixed

1const file = path.resolve(ROOT, req.query.name);
2if (!file.startsWith(ROOT + path.sep)) {
3  return res.sendStatus(400);
4}
5res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

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Change log

Fix✗ → ✓Sep 28, 2026, 10:09 PM UTC

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References

gitee.com/iteachyou/dreamer_cms/releases/tag/Latest_Stable_Release_4.1.3.1

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records