CVE-2021-47703

MEDIUM EPSS 18.6%
Published Dec 9, 20256mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Dec 9, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
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:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
18.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-918 Server-Side Request Forgery (SSRF) Validation

Affected Products 1

VendorProductVersionRange
openbmcsopenbmcs2.4any

References 4

  • exploit-db.com https://www.exploit-db.com/exploits/50670
    ExploitThird Party AdvisoryVDB Entry
  • openbmcs.com https://www.openbmcs.com
    Product
  • vulncheck.com https://www.vulncheck.com/advisories/openbmcs-server-side-request-forgery-ssrf-via-phpqueryphp
    Third Party Advisory
  • zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5694.php
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.