CVE-2021-47702

Name: CVE-2021-47702
Creator: NVD / NIST
Published: 2025-12-09T21:15:48.89+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2021-47702 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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

EPSS Probability

0.16%

5.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Openbmcs	Openbmcs	2.4

References

https://www.exploit-db.com/exploits/50667Exploit, Third Party Advisory, VDB Entry
https://www.openbmcs.comProduct
https://www.vulncheck.com/advisories/openbmcs-cross-site-request-forgery-csrf-via-sendfeedbackphpThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5691.phpExploit, Third Party Advisory

Timeline

Published: Dec 9, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-47702?

How severe is CVE-2021-47702?

CVE-2021-47702 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-47702?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47702?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST