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

Quick assessment

Affected
BigAntSoft BigAnt Server
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

BigAntSoft BigAnt Server是BigAntSoft公司的一个即时通讯解决方案。 BigAntSoft BigAnt Server 5.6.06版本及之前版本存在安全漏洞。攻击者利用该漏洞可以通过默认公开的 SaaS 注册机制创建管理员用户,从而上传和执行任意 PHP 代码。

CVSS 9.8 · Critical EPSS 1.93% · P78

Affected Version Matrix 1

VendorProduct Version RangeStatus
BigAntSoft BigAnt Server ≤ 5.6.06 affected
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I. Basic Information for CVE-2025-0364

Vulnerability Information

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Vulnerability Title
BigAntSoft BigAnt Server Account Registration Bypass to File Upload RCE
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
BigAntSoft BigAnt Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BigAntSoft BigAnt Server是BigAntSoft公司的一个即时通讯解决方案。 BigAntSoft BigAnt Server 5.6.06版本及之前版本存在安全漏洞。攻击者利用该漏洞可以通过默认公开的 SaaS 注册机制创建管理员用户,从而上传和执行任意 PHP 代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
BigAntSoft BigAnt Server 0 ~ 5.6.06 -

II. Public POCs for CVE-2025-0364

# POC Description Source Link Shenlong Link
1 CVE-2025-0364: BigAnt Server RCE Exploit https://github.com/vulncheck-oss/cve-2025-0364 POC Details
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III. Intelligence Information for CVE-2025-0364

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Vendor Advisories for CVE-2025-0364 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2025-0364

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