Deserialization Vulnerability in ChestnutCMS API Endpoint
CVE-2025-5552

5.3MEDIUM

Key Information:

Vendor

ChestnutCMS

Status
Chestnutcms
Vendor
CVE Published:
4 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5552?

A deserialization vulnerability exists in the ChestnutCMS API Endpoint, specifically in the '/dev-api/groovy/exec' file, allowing for potential remote exploitation. Attackers can manipulate data processed by the API, leading to unauthorized execution of code. This vulnerability applies to versions of ChestnutCMS up to 15.1, making it critical for users to assess their exposure and take necessary security measures.

Affected Version(s)

ChestnutCMS 15.0

ChestnutCMS 15.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-5552 - Proof of Concept

References

https://vuldb.com/?id.311002
vdb-entry
https://vuldb.com/?ctiid.311002
signaturepermissions-required
https://vuldb.com/?submit.587199
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wanglun (VulDB User)
.