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    CVE-2016-20045

    HNB Organizer 1.9.18-10 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -rc command-line parameter. Attackers can craft a malicious input string exceeding 108 bytes containing shellcode and a return address to overwrite the stack and achieve code execution.

    Published:Mar 28, 2026
    Last Modified:Apr 9, 2026
    EPS:Mar 28, 2026
    EPSS Score:0.00017
    CVSS Score:8.4

    Affected Products

    Vendor
    Hnb
    Product
    Hnb
    Vendor
    Hnb Project
    Product
    Hierarchical Notebook

    Exploits

    https://www.exploit-db.com/exploits/40025

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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