M2Soft CROWNIX Report & ERS Arbitrary File Upload Vulnerability in Opcode 500 Functionality

Vulnerability

An arbitrary file upload vulnerability has been identified in M2Soft CROWNIX Report & ERS versions 5.x prior to 5.5.14.1070, 7.x prior to 7.4.3.960, and 8.x prior to 8.2.0.345. This vulnerability allows attackers to execute arbitrary code by uploading a crafted file through the opcode 500 functionality.

Impact

Exploitation of this vulnerability allows for arbitrary code execution on the server where CROWNIX Report & ERS is running.

Reproduction

To reproduce this vulnerability, upload a malicious file through the CROWNIX ERS Reporting Server's opcode 500 feature. The uploaded file can then be executed on the server.

Remediation

Users are advised to update to CROWNIX Report & ERS version 5.5.14.1071, 7.4.3.961, or 8.2.0.346. Instructions for obtaining the patch are available by contacting the M2Soft technical support center.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
10.0
exploitability
7.7
remediation
7.7
relevance
0.0
threat
1.6
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.