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    CVE-2021-32925

    admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities.

    Published:May 13, 2021
    Last Modified:Nov 21, 2024
    EPS:May 13, 2021
    EPSS Score:0.00505
    CVSS Score:6.5

    Affected Products

    Vendor
    Chamilo
    Product
    Chamilo

    Exploits

    https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

    CVE-2026-1106 (CVSS 2.1) — A security flaw has been discovered in Chamilo LMS up to 2.0.0 Beta 1. This issue affects the function deleteL…
    CVE-2025-69581 (CVSS 5.5) — An issue was discovered in Chamillo LMS 1.11.2. The Social Network /personal_data endpoint exposes full sensit…
    CVE-2023-4225 (CVSS 8.8) — Unrestricted file upload in `/main/inc/ajax/exercise.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated…
    CVE-2023-3545 (CVSS 9.8) — Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache in…
    CVE-2023-3533 (CVSS 9.8) — Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <…
    CVE-2023-3368 (CVSS 9.8) — Command injection in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthen…
    CVE-2023-39061 (CVSS 3.5) — Cross Site Request Forgery (CSRF) vulnerability in Chamilo v.1.11 thru v.1.11.20 allows a remote authenticated…
    CVE-2023-34960 (CVSS 9.8) — A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to v1.11.18 allows attac…
    CVE-2023-37063 (CVSS 4.8) — Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the careers & promotio…
    CVE-2023-37064 (CVSS 4.8) — Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the extra fields manag…

    References

    https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925
    https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9
    https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import
    https://www.php.net/manual/en/function.libxml-disable-entity-loader.php
    https://github.com/andrejspuler/writeups/blob/main/chamilo-lms/README.md#authenticated-rcelfi-in-user-import-via-xml-external-entity---cve-2021-32925
    https://github.com/chamilo/chamilo-lms/commit/e71437c8de809044ba3ae1b181d70857c050a3e9
    https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-58-2021-05-12-High-impact-very-low-risk-LFIRCE-vulnerability-in-users-import
    https://www.php.net/manual/en/function.libxml-disable-entity-loader.php

    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