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    CVE-2023-39469

    PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability. The specific flaw exists within the External User Lookup functionality. The issue results from the lack of proper validation of a user-supplied string before using it to execute Java code. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-21013.

    Published:May 3, 2024
    Last Modified:Jan 30, 2025
    EPS:May 3, 2024
    EPSS Score:0.54195
    CVSS Score:7.2

    Affected Products

    Vendor
    Papercut
    Product
    Papercut Mf
    Vendor
    Papercut
    Product
    Papercut Ng

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-81578 (CVSS 8.8) — An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG…
    CVE-2026-8794 (CVSS 6.9) — PaperCut NG/MF contains an observable timing discrepancy in its authentication component. An unauthenticated r…
    CVE-2026-8793 (CVSS 6.9) — PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An una…
    CVE-2026-6418 (CVSS 4.6) — An issue was discovered in the Shared Account Synchronization component of PaperCut MF (version 25.0.4). The a…
    CVE-2026-6180 (CVSS 4.1) — A race condition exists in PaperCut MF when processing badge-swipe data from certain HP multifunction devices.…
    CVE-2026-5115 (CVSS 3.6) — The PaperCut NG/MF (specifically, the embedded application for Konica Minolta devices) is vulnerable to sessio…
    CVE-2026-4794 (CVSS 2.1) — Multiple cross-site scripting (XSS) vulnerabilities in PaperCut NG/MF before 25.0.10 allow authenticated admin…
    CVE-2024-9672 (CVSS 6.3) — A reflected cross-site scripting (XSS) vulnerability exists in PaperCut NG/MF. This issue can be used to execu…
    CVE-2024-8404 (CVSS 7.8) — An arbitrary file deletion vulnerability exists in PaperCut NG/MF, specifically affecting Windows servers with…

    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