Vulnerability · Published Feb 4, 2025 · Assigned by VulnCheck
CVE-2025-0364BigAntSoft BigAnt Server Account Registration Bypass to File Upload RCE
Critical 9.8
In plain English
A critical-severity authentication bypass in BigAnt Server from BigAntSoft. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BigAntSoft | BigAnt Server | 0 – through 5.6.06 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H