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    Dashboard / CVE / CVE-2023-31484

    CVE-2023-31484

    CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.

    Published:Apr 28, 2023
    Last Modified:Nov 3, 2025
    EPS:Apr 28, 2023
    EPSS Score:0.01116
    CVSS Score:8.1

    Affected Products

    Vendor
    Cpanpm Project
    Product
    Cpanpm
    Vendor
    Perl
    Product
    Perl
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/andk/cpanpm/pull/175https://github.com/andk/cpanpm/pull/175

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    References

    http://www.openwall.com/lists/oss-security/2023/04/29/1
    http://www.openwall.com/lists/oss-security/2023/05/03/3
    http://www.openwall.com/lists/oss-security/2023/05/03/5
    http://www.openwall.com/lists/oss-security/2023/05/07/2
    https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
    https://github.com/andk/cpanpm/pull/175
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BM6UW55CNFUTNGD5ZRKGUKKKFDJGMFHL/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LEGCEOKFJVBJ2QQ6S2H4NAEWTUERC7SB/
    https://metacpan.org/dist/CPAN/changes
    https://security.netapp.com/advisory/ntap-20240621-0007/
    https://www.openwall.com/lists/oss-security/2023/04/18/14
    http://www.openwall.com/lists/oss-security/2023/04/29/1
    http://www.openwall.com/lists/oss-security/2023/05/03/3
    http://www.openwall.com/lists/oss-security/2023/05/03/5
    http://www.openwall.com/lists/oss-security/2023/05/07/2
    https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
    https://github.com/andk/cpanpm/pull/175
    https://lists.debian.org/debian-lts-announce/2024/10/msg00017.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BM6UW55CNFUTNGD5ZRKGUKKKFDJGMFHL/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LEGCEOKFJVBJ2QQ6S2H4NAEWTUERC7SB/
    https://metacpan.org/dist/CPAN/changes
    https://security.netapp.com/advisory/ntap-20240621-0007/
    https://www.openwall.com/lists/oss-security/2023/04/18/14

    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