CVE-2021-47701

High · 8.8

CVSS

8.8

EPSS

0.5%

Published

Dec 9, 2025

CISA due date

—

The record

OpenBMCS 2.4 allows an attacker to escalate privileges from a read user to an admin user by manipulating permissions and exploiting a vulnerability in the update_user_permissions.php script. Attackers can submit a malicious HTTP POST request to PHP scripts in '/plugins/useradmin/' directory.

Affected packages

Ecosystem	Package	Introduced	Fixed