Which versions of Chestnutcms are affected by CVE-2025-2031?

Organizations using ChestnutCMS should be aware of moderate risk from CVE-2025-2031, a improper access control vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for CVE-2025-2031?

Yes, a public proof-of-concept exploit is available for CVE-2025-2031. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-2031?

Within 30 days: Identify affected systems running ChestnutCMS and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Chestnutcms CVE-2025-2031

Q: What is the CVSS score of CVE-2025-2031?

CVE-2025-2031 has a CVSS 4.0 base score of 5.3 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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 exploitation probability: 0.1%.

MEDIUM

Improper Access Control (CWE-284)

2025-03-06 cna@vuldb.com

Authentication Bypass File Upload Chestnutcms

5.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:30 vuln.today

PoC Detected

May 12, 2025 - 20:56 vuln.today

Public exploit code

CVE Published

Mar 06, 2025 - 16:15 nvd

MEDIUM 5.3

DescriptionCVE.org

A vulnerability classified as critical has been found in ChestnutCMS up to 1.5.2. This affects the function uploadFile of the file /dev-api/cms/file/upload. The manipulation of the argument file leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability classified as critical has been found in ChestnutCMS up to 1.5.2. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. A vulnerability classified as critical has been found in ChestnutCMS up to 1.5.2. This affects the function uploadFile of the file /dev-api/cms/file/upload. The manipulation of the argument file leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Affected products include: 1000Mz Chestnutcms. Version information: up to 1.5.2..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.