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    CVE-2021-42669

    A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id.

    Published:Nov 5, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 5, 2021
    EPSS Score:0.44223
    CVSS Score:9.8

    Affected Products

    Vendor
    Engineers Online Portal Project
    Product
    Engineers Online Portal

    Exploits

    https://github.com/TheHackingRabbi/CVE-2021-42669https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671https://github.com/TheHackingRabbi/CVE-2021-42669https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42671https://github.com/0xDeku/CVE-2021-42669

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

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    CVE-2024-0260 (CVSS 4.3) — A vulnerability, which was classified as problematic, was found in SourceCodester Engineers Online Portal 1.0.…
    CVE-2023-5284 (CVSS 6.3) — A vulnerability classified as critical has been found in SourceCodester Engineers Online Portal 1.0. Affected …
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    CVE-2023-5282 (CVSS 6.3) — A vulnerability was found in SourceCodester Engineers Online Portal 1.0. It has been declared as critical. Thi…
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    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