CSRF Vulnerability in OpenBMCS by OpenBMCS
CVE-2021-47702

5.3MEDIUM

Key Information:

Vendor

Open Bmcs

Status
Openbmcs
Vendor
CVE Published:
9 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47702?

OpenBMCS version 2.4 is susceptible to a Cross-Site Request Forgery (CSRF) vulnerability affecting the sendFeedback.php endpoint. This security flaw allows attackers to send unauthorized requests that can modify system settings or perform administrative actions without user consent. Potential exploitation could lead to unauthorized email dispatches or alterations in system configurations, posing significant risks to the integrity and security of data.

Affected Version(s)

OpenBMCS 2.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47702 - Proof of Concept

References

https://www.exploit-db.com/exploits/50667
exploit
https://www.openbmcs.com
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-56...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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CVE-2021-47702 : CSRF Vulnerability in OpenBMCS by OpenBMCS