{"id":"UBUNTU-CVE-2020-16154","details":"The App::cpanminus package 1.7044 for Perl allows Signature Verification Bypass.","modified":"2026-02-04T04:05:40.104145Z","published":"2021-12-13T17:15:00Z","related":["USN-5230-1"],"upstream":["CVE-2020-16154"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16154"},{"type":"REPORT","url":"https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/"},{"type":"REPORT","url":"http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5230-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-16154"}],"affected":[{"package":{"name":"cpanminus","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/cpanminus@1.7040-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7040-1ubuntu0.1~esm1"}]}],"versions":["1.7014-1","1.7039-1","1.7040-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.7040-1ubuntu0.1~esm1","binary_name":"cpanminus"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16154.json"}},{"package":{"name":"cpanminus","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/cpanminus@1.7043-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7043-1ubuntu0.1~esm1"}]}],"versions":["1.7042-2","1.7043-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.7043-1ubuntu0.1~esm1","binary_name":"cpanminus"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16154.json"}},{"package":{"name":"cpanminus","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/cpanminus@1.7044-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7044-1ubuntu0.1~esm1"}]}],"versions":["1.7044-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"cpanminus","binary_version":"1.7044-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16154.json"}},{"package":{"name":"cpanminus","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cpanminus@1.7045-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7045-1"}]}],"versions":["1.7044-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"cpanminus","binary_version":"1.7045-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16154.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}