{"id":"CVE-2020-14039","details":"In Go before 1.13.13 and 1.14.x before 1.14.5, Certificate.Verify may lack a check on the VerifyOptions.KeyUsages EKU requirements (if VerifyOptions.Roots equals nil and the installation is on Windows). Thus, X.509 certificate verification is incomplete.","aliases":["BIT-golang-2020-14039","GO-2021-0223"],"modified":"2026-04-09T06:51:32.677592Z","published":"2020-07-17T16:15:11.327Z","related":["SUSE-SU-2020:2562-1","SUSE-SU-2021:0263-1","openSUSE-SU-2020:1087-1","openSUSE-SU-2020:1095-1","openSUSE-SU-2020:1405-1","openSUSE-SU-2020:1407-1","openSUSE-SU-2024:10806-1","openSUSE-SU-2024:10807-1","openSUSE-SU-2024:11430-1"],"references":[{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/golang-announce"},{"type":"WEB","url":"https://groups.google.com/forum/#%21topic/golang-announce/XZNfaiwgt2w"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200731-0005/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/golang/go","events":[{"introduced":"0"},{"fixed":"1f8859c22ccdeb969b252c8139bf4b1aae5c4909"},{"introduced":"0"},{"fixed":"36fcde1676a0d3863cb5f295eed6938cd782fcbb"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.13.13"},{"introduced":"1.14.0"},{"fixed":"1.14.5"}]}}],"versions":["go1.10beta1","go1.10beta2","go1.10rc1","go1.10rc2","go1.11beta1","go1.11beta2","go1.11beta3","go1.12beta1","go1.12beta2","go1.13","go1.13.10","go1.13.11","go1.13.12","go1.13.3","go1.13.4","go1.13.5","go1.13.6","go1.13.8","go1.13.9","go1.13beta1","go1.13rc1","go1.13rc2","go1.14","go1.14.1","go1.14.2","go1.14.3","go1.14.4","go1.14beta1","go1.14rc1","go1.3beta1","go1.3beta2","go1.4beta1","go1.5beta1","go1.5beta2","go1.5beta3","go1.6beta1","go1.6beta2","go1.7beta1","go1.7beta2","go1.7rc1","go1.7rc2","go1.7rc3","go1.7rc4","go1.8beta1","go1.8beta2","go1.9beta1","go1.9beta2","release.r56","weekly","weekly.2009-11-06","weekly.2009-11-10","weekly.2009-11-10.1","weekly.2009-11-12","weekly.2009-11-17","weekly.2009-12-07","weekly.2009-12-09","weekly.2009-12-22","weekly.2010-01-05","weekly.2010-01-13","weekly.2010-01-27","weekly.2010-02-04","weekly.2010-02-17","weekly.2010-02-23","weekly.2010-03-04","weekly.2010-03-15","weekly.2010-03-22","weekly.2010-03-30","weekly.2010-04-13","weekly.2010-04-27","weekly.2010-05-04","weekly.2010-05-27","weekly.2010-06-09","weekly.2010-06-21","weekly.2010-07-01","weekly.2010-07-14","weekly.2010-07-29","weekly.2010-08-04","weekly.2010-08-11","weekly.2010-08-25","weekly.2010-09-06","weekly.2010-09-15","weekly.2010-09-22","weekly.2010-09-29","weekly.2010-10-13","weekly.2010-10-13.1","weekly.2010-10-20","weekly.2010-10-27","weekly.2010-11-02","weekly.2010-11-10","weekly.2010-11-23","weekly.2010-12-02","weekly.2010-12-08","weekly.2010-12-15","weekly.2010-12-15.1","weekly.2010-12-22","weekly.2011-01-06","weekly.2011-01-12","weekly.2011-01-19","weekly.2011-01-20","weekly.2011-02-01","weekly.2011-02-01.1","weekly.2011-02-15","weekly.2011-02-24","weekly.2011-03-07","weekly.2011-03-07.1","weekly.2011-03-15","weekly.2011-03-28","weekly.2011-04-04","weekly.2011-04-13","weekly.2011-04-27","weekly.2011-05-22","weekly.2011-06-02","weekly.2011-06-09","weekly.2011-06-16","weekly.2011-06-23","weekly.2011-07-07","weekly.2011-07-19","weekly.2011-07-29","weekly.2011-08-10","weekly.2011-08-17","weekly.2011-09-01","weekly.2011-09-07","weekly.2011-09-16","weekly.2011-09-21","weekly.2011-10-06","weekly.2011-10-18","weekly.2011-10-25","weekly.2011-10-26","weekly.2011-11-01","weekly.2011-11-02","weekly.2011-11-08","weekly.2011-11-09","weekly.2011-11-18","weekly.2011-12-01","weekly.2011-12-02","weekly.2011-12-06","weekly.2011-12-14","weekly.2011-12-22","weekly.2012-01-15","weekly.2012-01-20","weekly.2012-01-27","weekly.2012-02-07","weekly.2012-02-14","weekly.2012-02-22","weekly.2012-03-04","weekly.2012-03-13","weekly.2012-03-22","weekly.2012-03-27"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.2"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-14039.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}