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    CVE-2021-40511

    OBDA systems’ Mastro 1.0 is vulnerable to XML Entity Expansion (aka “billion laughs”) attack allowing denial of service.

    Published:Jun 21, 2022
    Last Modified:Nov 21, 2024
    EPS:Jun 21, 2022
    EPSS Score:0.00468
    CVSS Score:7.5

    Affected Products

    Vendor
    Obdasystems
    Product
    Mastro

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-197 Exponential Data Expansion

    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