UBUNTU-CVE-2020-16156

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    UBUNTU-CVE-2020-16156

    Published: 13 Dec 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-16156

    Summary:

    Details: CPAN 2.28 allows Signature Verification Bypass.

    References: https://ubuntu.com/security/CVE-2020-16156, https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/, http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html, https://ubuntu.com/security/notices/USN-5689-1, https://ubuntu.com/security/notices/USN-5689-2, https://www.cve.org/CVERecord?id=CVE-2020-16156

    Affected packages

    Package

    Name: perl

    Purl: pkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.18.2-2ubuntu1.7+esm4

    Affected versions

    5.14.2-21build1

    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-2020-16156 | CVE-DB