CVE-2021-47702 - CVE House
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Status published Medium CVE-2021-47702

OpenBMCS Cross Site Request Forgery (CSRF) via sendFeedback.php

Vulnerability Description

OpenBMCS 2.4 contains a CSRF vulnerability that allows attackers to perform actions with administrative privileges by exploiting the sendFeedback.php endpoint. Attackers can submit malicious requests to trigger unintended actions, such as sending emails or modifying system settings.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • LiquidWorm as Gjoko Krstic of Zero Science Lab

References

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Affected Vendor

Affected Software

OpenBMCS
Vulnerable Versions:
2.4

Timeline

Official Publish: December 9th, 2025
Last Modified: April 7th, 2026
Added to House: July 21st, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-352

MITRE ATT&CK TTPs

T1566.002 Spearphishing Link
Initial Access
T1204.001 Malicious Link
Execution
T1098 Account Manipulation
Persistence
T1565.001 Stored Data Manipulation
Impact