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.

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Fixes

Solution

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Workaround

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History

Wed, 17 Dec 2025 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:openbmcs:openbmcs:2.4:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Wed, 10 Dec 2025 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Openbmcs
Openbmcs openbmcs
Vendors & Products Openbmcs
Openbmcs openbmcs

Tue, 09 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Dec 2025 20:45:00 +0000

Type Values Removed Values Added
Description 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.
Title OpenBMCS User Management Privilege Escalation
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-09T21:31:24.386Z

Reserved: 2025-12-05T19:10:29.044Z

Link: CVE-2021-47701

cve-icon Vulnrichment

Updated: 2025-12-09T21:31:18.463Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-09T21:15:47.860

Modified: 2025-12-17T14:14:10.987

Link: CVE-2021-47701

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-10T21:33:26Z

Weaknesses