CVE-2021-47703

OpenBMCS Server Side Request Forgery (SSRF) via /php/query.php

Published Dec 9, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:openbmcs:openbmcs:2.4:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Openbmcs
Openbmcs openbmcs
Vendors & Products Openbmcs
Openbmcs openbmcs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenBMCS Server Side Request Forgery (SSRF) via /php/query.php
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 6.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 7, 2026, 2:05 PM
Reserved
Dec 5, 2025, 7:10 PM
Status
Analyzed
Published
Dec 9, 2025, 9:15 PM
Modified
Jun 17, 2026, 4:18 AM