CVE-2025-0364 CRITICAL

CVE-2025-0364: BigAntSoft BigAnt Server Account Registration Bypass to File Upload RCE

Vendor Bigantsoft
Product BigAnt Server
Weakness CWE-288
Published February 4, 2025
Last update May 14, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

BigAntSoft BigAnt Server, up to and including version 5.6.06, is vulnerable to unauthenticated remote code execution via account registration. An unauthenticated remote attacker can create an administrative user through the default exposed SaaS registration mechanism. Once an administrator, the attacker can upload and execute arbitrary PHP code using the "Cloud Storage Addin," leading to unauthenticated code execution.

Key dates

02Disclosure timeline

February 4, 2025 CVE published
May 14, 2026 Record updated