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    CVE-2023-47102

    UrBackup Server 2.5.31 allows brute-force enumeration of user accounts because a failure message confirms that a username is not valid.

    Published:Nov 7, 2023
    Last Modified:Sep 29, 2025
    EPS:Nov 7, 2023
    EPSS Score:0.00311
    CVSS Score:5.3

    Affected Products

    Vendor
    Urbackup
    Product
    Urbackup Server

    Exploits

    https://quantiano.github.io/cve-2023-47102/https://quantiano.github.io/cve-2023-47102/https://github.com/quantiano/cve-2023-47102

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

    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