Medium 6.9Published Dec 9, 2025

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

Updated under an hour ago (Oct 27, 2026, 1:50 PM ET)

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It affects OPEN BMCS OpenBMCS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for OPEN BMCS OpenBMCS

Exploited in the last 30 days

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.

CVSS: 6.9 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Apr 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

OPEN BMCS OpenBMCS open_bmcs:openbmcs (from the name)	2.4	CNA record
openbmcs openbmcs openbmcs:openbmcs	2.4	NVD

References

References

https://www.exploit-db.com/exploits/50670	exploit, third-party-advisory, vdb-entry
https://www.openbmcs.com	product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5694.php	third-party-advisory, exploit
https://www.vulncheck.com/advisories/openbmcs-server-side-request-forgery-ssrf-via-phpqueryphp	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.