What is the CVSS score of EUVD-2025-16801?

EUVD-2025-16801 has a CVSS 3.1 base score of 6.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Chestnutcms are affected by EUVD-2025-16801?

Organizations using ChestnutCMS should be aware of moderate risk from CVE-2025-5552, a input validation vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for EUVD-2025-16801?

Yes, a public proof-of-concept exploit is available for EUVD-2025-16801. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate EUVD-2025-16801?

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 EUVD-2025-16801

| CVE-2025-5552 MEDIUM

Improper Input Validation (CWE-20)

2025-06-04 cna@vuldb.com

Deserialization Chestnutcms

6.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 17:29 euvd

EUVD-2025-16801

Analysis Generated

Mar 14, 2026 - 17:29 vuln.today

PoC Detected

Nov 18, 2025 - 17:03 vuln.today

Public exploit code

CVE Published

Jun 04, 2025 - 03:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was found in ChestnutCMS up to 15.1. It has been declared as critical. This vulnerability affects unknown code of the file /dev-api/groovy/exec of the component API Endpoint. The manipulation leads to deserialization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Analysis

Technical ContextAI

Insecure deserialization occurs when untrusted data is used to reconstruct objects, allowing attackers to manipulate serialized data to execute arbitrary code. This vulnerability is classified as Improper Input Validation (CWE-20).

RemediationAI

Avoid deserializing untrusted data. Use safe serialization formats (JSON instead of native serialization). Implement integrity checks on serialized data.