CVE-2021-47703

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

HIGH
7.2
CVSS Score
Published: December 9, 2025 at 08:36 PM UTC
Updated: June 17, 2026 at 04:18 AM UTC
2 products affected across 2 vendorsOpenbmcsOpenBMCS

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Severity
HIGH7.2
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

ExploitThird Party AdvisoryVDB Entry
Source: cverecord
https://www.exploit-db.com/exploits/50670
Product
Source: cverecord
https://www.openbmcs.com
Third Party AdvisoryExploit
Source: cverecord
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5694.php

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-918

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