CVE-2021-47703
OpenBMCS Server Side Request Forgery (SSRF) via /php/query.php
- State
- Published
- Severity
- 6.9 Medium
- Published
- Dec 9, 2025
- Updated
- Apr 7, 2026
- Reserved
- Dec 5, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
OpenBMCSOPEN BMCS |
|
References
- ExploitDB-50670exploit
- Official Product Homepageproduct
- Zero Science Lab Disclosure (ZSL-2022-5694)third-party-advisory
- VulnCheck Advisory: OpenBMCS Server Side Request Forgery (SSRF) via /php/query.phpthird-party-advisory
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