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Critical · 9.8 Public exploit CVE-2025-0364 EUVD-2025-1627GHSA-cmgj-xph9-cc49

BigAntSoft BigAnt Server Account Registration Bypass to File Upload RCE

Published Feb 4, 2025 · Updated May 14, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
BigAntSoft BigAnt Server ≤ 5.6.06 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References