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    CVE-2021-32630

    Admidio is a free, open source user management system for websites of organizations and groups. In Admidio before version 4.0.4, there is an authenticated RCE via .phar file upload. A php web shell can be uploaded via the Documents & Files upload feature. Someone with upload permissions could rename the php shell with a .phar extension, visit the file, triggering the payload for a reverse/bind shell. This can be mitigated by excluding a .phar file extension to be uploaded (like you did with .php .phtml .php5 etc). The vulnerability is patched in version 4.0.4.

    Published:May 20, 2021
    Last Modified:Nov 21, 2024
    EPS:May 20, 2021
    EPSS Score:0.00479
    CVSS Score:9.6

    Affected Products

    Vendor
    Admidio
    Product
    Admidio

    Exploits

    https://github.com/Admidio/admidio/security/advisories/GHSA-xpqj-67r8-25j2https://github.com/Admidio/admidio/security/advisories/GHSA-xpqj-67r8-25j2

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-53760 (CVSS 5.2) — Admidio is an open-source user management solution. In versions 5.0.11 and prior, the modules/plugins.php endp…
    CVE-2026-82658 (CVSS 5.3) — Admidio versions before 5.0.12 contain a broken access control vulnerability in profile_function.php that allo…
    CVE-2026-82657 (CVSS 8.7) — Admidio before 5.0.12 fails to enforce login-only module restrictions in RSS feed endpoints for forum and anno…
    CVE-2026-82656 (CVSS 2.1) — Admidio before 5.0.12 fails to sanitize album names in the photo ZIP download functionality, allowing authenti…
    CVE-2026-82655 (CVSS 8.7) — Admidio before 5.0.12 contains a blind SQL injection vulnerability in the relation_type_list parameter of list…
    CVE-2026-47234 (CVSS 4.4) — Admidio is an open-source user management solution. Prior to version 5.0.10, when debug logging is enabled, `S…
    CVE-2026-47233 (CVSS 6.5) — Admidio is an open-source user management solution. Version 5.0.9 added a missing `isAdministratorInventory()`…
    CVE-2026-47232 (CVSS 4.3) — Admidio is an open-source user management solution. Prior to version 5.0.10, the sensitive `mode=export` actio…
    CVE-2026-47231 (CVSS 8.1) — Admidio is an open-source user management solution. Prior to version 5.0.10, `modules/documents-files.php` gat…
    CVE-2026-47230 (CVSS 6.5) — Admidio is an open-source user management solution. Prior to version 5.0.10, `modules/documents-files.php` mod…

    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