USN-4881-1

    Dashboard / Vulnerabilities / USN-4881-1

    USN-4881-1

    Published: 17 Mar 2021Last Modified: 27 Apr 2026

    Summary: containerd vulnerability

    Details: It was discovered that containerd incorrectly handled certain environment variables. Contrary to expectations, a container could receive environment variables defined for a different container, possibly containing sensitive information.

    References: https://ubuntu.com/security/notices/USN-4881-1, https://ubuntu.com/security/CVE-2021-21334

    Affected packages

    Package

    Name: containerd

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.3.3-0ubuntu2.3

    Affected versions

    1.2.10-0ubuntu1

    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-4881-1 | CVE-DB