USN-4690-1

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    USN-4690-1

    Published: 11 Jan 2021Last Modified: 10 Feb 2026

    Summary: coturn vulnerability

    Details: It was discovered that coTURN allowed peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. A malicious user could use this vulnerability to insert packages into the loopback interface.

    References: https://ubuntu.com/security/notices/USN-4690-1, https://ubuntu.com/security/CVE-2020-26262

    Affected packages

    Package

    Name: coturn

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.5.0.3-1ubuntu0.4

    Affected versions

    4.4.5.4-2

    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-4690-1 | CVE-DB