Vulnerability record · CVE-2021-47703 · published 9 December 2025
CVE-2021-47703: Openbmcs server-side request forgery (ssrf) vulnerability
Openbmcs · Openbmcs
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.
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.
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://www.exploit-db.com/exploits/50670 | ExploitThird Party AdvisoryVDB Entry |
| https://www.openbmcs.com | Product |
| https://www.vulncheck.com/advisories/openbmcs-server-side-request-forgery-ssrf-via-phpqueryphp | Third Party Advisory |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5694.php | ExploitThird Party Advisory |
Track CVE-2021-47703 inside VULONE
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2021-47703), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.