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    CVE-2021-42564

    An open redirect through HTML injection in confidential messages in Cryptshare before 5.1.0 allows remote attackers (with permission to provide confidential messages via Cryptshare) to redirect targeted victims to any URL via the '<meta http-equiv="refresh"' substring in the editor parameter.

    Published:Nov 30, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 30, 2021
    EPSS Score:0.0014
    CVSS Score:5.4

    Affected Products

    Vendor
    Cryptshare
    Product
    Cryptshare Server

    Exploits

    https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-057.txthttps://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-057.txt

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    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