{"id":"CVE-2020-27589","aliases":["GHSA-f248-v4qh-x2r6","PYSEC-2020-26"],"url":"https://o3.security/vulnerability/CVE-2020-27589","summary":"Improper Certificate Validation in blackduck","details":"Synopsys hub-rest-api-python (aka blackduck on PyPI) version 0.0.25 - 0.0.52 does not validate SSL certificates in certain cases.","published":"2020-11-06T14:15:16.457Z","modified":"2026-07-08T20:30:11.768508Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"blackduck","fixedVersion":"0.0.53"}],"fix":{"url":"https://github.com/blackducksoftware/hub-rest-api-python/pull/113/commits/273b27d0de1004389dd8cf43c40b1197c787e7cd","label":"blackducksoftware/hub-rest-api-python#113"},"references":[{"type":"ADVISORY","url":"https://community.synopsys.com/s/question/0D52H00005JCZAXSA5/announcement-black-duck-defect-identified"},{"type":"ADVISORY","url":"https://github.com/blackducksoftware/hub-rest-api-python"},{"type":"ADVISORY","url":"https://pypi.org/project/blackduck/"},{"type":"FIX","url":"https://github.com/blackducksoftware/hub-rest-api-python/pull/113/commits/273b27d0de1004389dd8cf43c40b1197c787e7cd"},{"type":"EVIDENCE","url":"https://www.optiv.com/explore-optiv-insights/source-zero/certificate-validation-disabled-black-duck-api-wrapper"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:30:11.768508Z"}}