PT-2025-50231 · Openbmc · Useradmin+1

Published 2025-12-09 · Updated 2025-12-17 · CVE-2021-47701

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenBMCS version 2.4

Description The software contains a flaw that allows privilege escalation from a read user to an admin user. This is achieved by manipulating permissions and exploiting a weakness in the update user permissions.php script. An attacker can submit a malicious HTTP POST request to PHP scripts located in the '/plugins/useradmin/' directory to carry out this attack.

Recommendations Apply updates to address the issue in the update user permissions.php script. Restrict access to PHP scripts within the '/plugins/useradmin/' directory.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-47701

Affected Products

Openbmc

Useradmin

References · 7

• 🔥 https://exploit-db.com/exploits/50669 · Exploit
• 🔥 https://zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.php · Exploit
• https://osv.dev/vulnerability/CVE-2021-47701 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47701 · Security Note
• https://t.me/cveNotify/146080 · Telegram Post
• https://vulncheck.com/advisories/openbmcs-user-management-privilege-escalation · Note
• https://twitter.com/CVEnew/status/1998732812233617844 · Twitter Post