UBUNTU-CVE-2020-8284

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    UBUNTU-CVE-2020-8284

    Published: 9 Dec 2020Last Modified: 27 Apr 2026
    Upstream:
    CVE-2020-8284

    Summary:

    Details: A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.

    References: https://ubuntu.com/security/CVE-2020-8284, https://curl.se/docs/CVE-2020-8284.html, https://ubuntu.com/security/notices/USN-4665-1, https://ubuntu.com/security/notices/USN-4665-2, https://www.cve.org/CVERecord?id=CVE-2020-8284

    Affected packages

    Package

    Name: curl

    Purl: pkg:deb/ubuntu/[email protected]+esm6?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.35.0-1ubuntu2.20+esm6

    Affected versions

    7.32.0-1ubuntu1

    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
    UBUNTU-CVE-2020-8284 | CVE-DB