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    CVE-2025-34155

    Tibbo AggreGate Network Manager < 6.40.05 contains an observable response discrepancy in its login functionality. Authentication failure messages differ based on whether a supplied username exists or not, allowing an unauthenticated remote attacker to infer valid account identifiers. This can facilitate user enumeration and increase the likelihood of targeted brute-force or credential-stuffing attacks.

    Published:Oct 23, 2025
    Last Modified:May 14, 2026
    EPS:Oct 23, 2025
    EPSS Score:0.00285
    CVSS Score:6.9

    Affected Products

    Vendor
    Tibbo
    Product
    Aggregate
    Vendor
    Tibbo Systems
    Product
    Aggregate Network Manager

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-204 Observable Response Discrepancy

    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