Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-47703— OpenBMCS Server Side Request Forgery (SSRF) via /php/query.php

Quick assessment

Affected
OPEN BMCS OpenBMCS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenBMCS是澳大利亚OpenBMCS公司的一个建筑管理和控制系统。 OpenBMCS 2.4版本存在代码问题漏洞，该漏洞源于ip参数存在服务端请求伪造问题，可能导致内部网络枚举和会话劫持。

AI Predicted 8.6 Difficulty: Easy EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-47703

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
OpenBMCS Server Side Request Forgery (SSRF) via /php/query.php
Source: CVE Program / CVE List V5
Vulnerability Description
OpenBMCS 2.4 contains an unauthenticated SSRF vulnerability that allows attackers to bypass firewalls and initiate service and network enumeration on the internal network through the affected application, allowing hijacking of current sessions. Attackers can specify an external domain in the 'ip' parameter to force the application to make an HTTP request to an arbitrary destination host.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenBMCS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenBMCS是澳大利亚OpenBMCS公司的一个建筑管理和控制系统。 OpenBMCS 2.4版本存在代码问题漏洞，该漏洞源于ip参数存在服务端请求伪造问题，可能导致内部网络枚举和会话劫持。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OPEN BMCS OpenBMCS 2.4 -

II. Public POCs for CVE-2021-47703

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-47703

请登录查看更多情报信息。

Exploits & Public PoCs for CVE-2021-47703 (1)

Other References for CVE-2021-47703 (3)

Same Patch Batch · OPEN BMCS · 2025-12-09 · 5 CVEs total

CVE-2021-47701 OpenBMCS User Management Privilege Escalation
CVE-2021-47704 OpenBMCS SQL Injection via obix_test.php
CVE-2021-47702 OpenBMCS Cross Site Request Forgery (CSRF) via sendFeedback.php
CVE-2021-47718 OpenBMCS Directory Listing Information Disclosure

IV. Related Vulnerabilities

Same product: OpenBMCS
Same vendor: OPEN BMCS
Same weakness: CWE-918

V. Comments for CVE-2021-47703

No comments yet

Leave a comment