{"id":"CVE-2021-3028","aliases":["GHSA-x38j-4rr5-hqrj","PYSEC-2021-15"],"url":"https://o3.security/vulnerability/CVE-2021-3028","summary":"git-big-picture Code Execution","details":"git-big-picture before 1.0.0 mishandles ' characters in a branch name, leading to code execution.","published":"2021-01-13T17:15:12.913Z","modified":"2026-07-08T23:58:54.891739Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"git-big-picture","fixedVersion":"1.0.0"}],"fix":{"url":"https://github.com/git-big-picture/git-big-picture/pull/27","label":"git-big-picture/git-big-picture#27"},"references":[{"type":"ADVISORY","url":"https://github.com/git-big-picture/git-big-picture/releases/tag/v1.0.0"},{"type":"FIX","url":"https://github.com/git-big-picture/git-big-picture/pull/27"},{"type":"FIX","url":"https://github.com/git-big-picture/git-big-picture/pull/62"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3028"},{"type":"PACKAGE","url":"https://github.com/git-big-picture/git-big-picture"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/git-big-picture/PYSEC-2021-15.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:58:54.891739Z"}}