USN-6379-1

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    USN-6379-1

    Published: 18 Sept 2023Last Modified: 27 Apr 2026

    Summary: vsftpd vulnerability

    Details: It was discovered that vsftpd was vulnerable to the ALPACA TLS protocol content confusion attack. A remote attacker could possibly use this issue to redirect traffic from one subdomain to another.

    References: https://ubuntu.com/security/notices/USN-6379-1, https://ubuntu.com/security/CVE-2021-3618

    Affected packages

    Package

    Name: vsftpd

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.0.5-0ubuntu0.20.04.1

    Affected versions

    3.0.3-12

    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
    USN-6379-1 | CVE-DB