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    CVE-2020-21359

    An arbitrary file upload vulnerability in the Template Upload function of Maccms10 allows attackers bypass the suffix whitelist verification to execute arbitrary code via adding a character to the end of the uploaded file's name.

    Published:Aug 11, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 11, 2021
    EPSS Score:0.0111
    CVSS Score:9.8

    Affected Products

    Vendor
    Maccms
    Product
    Maccms

    Exploits

    https://github.com/magicblack/maccms10/issues/80https://github.com/magicblack/maccms10/issues/80

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

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    CVE-2025-10397 (CVSS 2) — A vulnerability was identified in Magicblack MacCMS 2025.1000.4050. This affects an unknown part of the compon…
    CVE-2025-10395 (CVSS 5.1) — A vulnerability was found in Magicblack MacCMS 2025.1000.4050. Affected by this vulnerability is the function …
    CVE-2025-10122 (CVSS 2) — A vulnerability was found in Maccms10 2025.1000.4050. Affected is the function rep of the file application/adm…
    CVE-2025-50234 (CVSS 6.5) — MCCMS v2.7.0 has an SSRF vulnerability located in the index() method of the sys\apps\controllers\api\Gf.php fi…
    CVE-2025-45474 (CVSS 7.3) — maccms10 v2025.1000.4047 is vulnerable to Server-side request forgery (SSRF) in Email Settings.…
    CVE-2025-45475 (CVSS 5.4) — maccms10 v2025.1000.4047 is vulnerable to Server-Side request forgery (SSRF) in Friend Link Management.…
    CVE-2025-28091 (CVSS 9.1) — maccms10 v2025.1000.4047 has a Server-Side Request Forgery (SSRF) vulnerability via Add Article.…
    CVE-2025-28090 (CVSS 9.1) — maccms10 v2025.1000.4047 is vulnerable to Server-Side Request Forgery (SSRF) in the Collection Custom Interfac…

    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