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    CVE-2020-26547

    Monal before 4.9 does not implement proper sender verification on MAM and Message Carbon (XEP-0280) results. This allows a remote attacker (able to send stanzas to a victim) to inject arbitrary messages into the local history, with full control over the sender and receiver displayed to the victim.

    Published:Feb 1, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 1, 2021
    EPSS Score:0.00207
    CVSS Score:9.8

    Affected Products

    Vendor
    Monal
    Product
    Monal

    Exploits

    No exploit reference

    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