Unrestricted File Upload Vulnerability in hzmanyun Education and Training System
CVE-2025-1555

6.9MEDIUM

Key Information:

Vendor
Hzmanyun
Status
Education And Training System
Vendor
CVE Published:
21 February 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The hzmanyun Education and Training System 3.1.1 contains a vulnerability in the saveImage function that allows attackers to upload arbitrary files without proper restrictions. This issue can be exploited remotely, potentially leading to severe compromises in web application integrity and security. Despite the vulnerability being disclosed publicly, the vendor has yet to respond to reports, which raises concerns about the ongoing risk for users of the system. Organizations utilizing this software should take urgent action to assess their exposure and implement protective measures.

Affected Version(s)

Education and Training System 3.1.1

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-2025-1555 - Proof of Concept

References

https://vuldb.com/?id.296506
vdb-entrytechnical-description
https://vuldb.com/?ctiid.296506
signaturepermissions-required
https://vuldb.com/?submit.496932
third-party-advisory

CVSS V4

Score:
6.9
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

mike111 (VulDB User)
.