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    CVE-2020-8138

    A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.

    Published:Mar 20, 2020
    Last Modified:Nov 21, 2024
    EPS:Mar 20, 2020
    EPSS Score:0.00222
    CVSS Score:6.5

    Affected Products

    Vendor
    Nextcloud
    Product
    Nextcloud Server

    Exploits

    https://hackerone.com/reports/736867https://hackerone.com/reports/736867

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

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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