CVE Feed

    Dashboard / CVE / CVE-2020-37113

    CVE-2020-37113

    GUnet OpenEclass 1.7.3 allows authenticated users to bypass file extension restrictions when uploading files. By renaming a PHP file to .php3 or .PhP, an attacker can upload a web shell and execute arbitrary code on the server. This vulnerability enables remote code execution by bypassing the intended file type checks in the exercise submission feature.

    Published:Feb 3, 2026
    Last Modified:Jul 28, 2026
    EPS:Feb 3, 2026
    EPSS Score:0.00781
    CVSS Score:8.8

    Affected Products

    Vendor
    Gunet
    Product
    Open Eclass Platform
    Vendor
    Openeclass
    Product
    Openeclass

    Exploits

    https://www.exploit-db.com/exploits/48163

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-24669 (CVSS 7.8) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24668 (CVSS 6.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24667 (CVSS 5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24666 (CVSS 6.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24665 (CVSS 8.7) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24774 (CVSS 4.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24773 (CVSS 7.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24674 (CVSS 4.7) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24673 (CVSS 4.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24672 (CVSS 7.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…

    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