Unrestricted Upload Vulnerability in MetaCRM by Metasoft
CVE-2025-7877

5.3MEDIUM

Key Information:

Vendor

Metasoft 美特软件

Status
Metacrm
Vendor
CVE Published:
20 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7877?

A significant security flaw has been discovered in MetaCRM, a product of Metasoft, which allows for unrestricted file uploads via the sendfile.jsp component. This issue permits unauthorized users to upload files without restrictions, potentially allowing for malicious file execution and compromise of the application. The lack of vendor response upon early disclosure raises concerns about the ongoing risk associated with this vulnerability. It is crucial for users running versions up to 6.4.2 to address this issue promptly to safeguard their systems from potential exploitation.

Affected Version(s)

MetaCRM 6.4.0

MetaCRM 6.4.1

MetaCRM 6.4.2

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-2025-7877 - Proof of Concept

References

https://vuldb.com/?id.316991
vdb-entrytechnical-description
https://vuldb.com/?ctiid.316991
signaturepermissions-required
https://vuldb.com/?submit.611252
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

nu11 (VulDB User)
.
CVE-2025-7877 : Unrestricted Upload Vulnerability in MetaCRM by Metasoft