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    CVE-2021-47701

    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.

    Published:Dec 9, 2025
    Last Modified:Apr 7, 2026
    EPS:Dec 9, 2025
    EPSS Score:0.0012
    CVSS Score:8.8

    Affected Products

    Vendor
    Openbmcs
    Product
    Openbmcs

    Exploits

    https://www.exploit-db.com/exploits/50669https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5693.php

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High