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    CVE-2021-22873

    Revive Adserver before 5.1.0 is vulnerable to open redirects via the `dest`, `oadest`, and/or `ct0` parameters of the lg.php and ck.php delivery scripts. Such open redirects had previously been available by design to allow third party ad servers to track such metrics when delivering ads. However, third party click tracking via redirects is not a viable option anymore, leading to such open redirect functionality being removed and reclassified as a vulnerability.

    Published:Jan 21, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 21, 2021
    EPSS Score:0.66609
    CVSS Score:6.1

    Affected Products

    Vendor
    Revive-adserver
    Product
    Revive Adserver

    Exploits

    https://hackerone.com/reports/1081406https://hackerone.com/reports/1081406https://github.com/K3ysTr0K3R/CVE-2021-22873-EXPLOIT

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

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    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