{"id":"CVE-2021-3840","aliases":["EUVD-2021-0012","GHSA-hgc3-hp6x-wpgx","PYSEC-2021-840"],"status":"published","title":"Antilles Dependency Confusion Vulnerability","description":"A dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). MITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi. The configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02036,"percentile":0.81353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-427"],"published":"2021-11-03T17:36:22Z","modified":"2026-10-20T10:54:52Z","fixes":[{"ecosystem":"PyPI","package":"antilles-tools","fixed_in":["1.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"antilles-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"antilles-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1"}]}],"versions":["1.0.0"]},{"source":"osv","ecosystem":"PyPI","package":"antilles-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1"}]}],"versions":["1.0.0"]}],"products":[{"vendor":"antilles","product":"antilles"},{"vendor":"lenovo","product":"antilles"}],"references":[{"url":"https://github.com/lenovo/Antilles/security/advisories/GHSA-hgc3-hp6x-wpgx","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web","advisory"]},{"url":"https://github.com/lenovo/Antilles/commit/c7b9c5740908b343aceefe69733d9972e64df0b9","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3840","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/antilles-tools/PYSEC-2021-840.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hgc3-hp6x-wpgx"},{"url":"https://github.com/lenovo/Antilles","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-3840","description":"A dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). MITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi. The configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.","status":"published","published":"2021-11-12T22:05:54Z","modified":"2024-08-03T17:09:09.548Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-0012","description":"A dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). MITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi. The configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.","status":"published","published":"2021-11-12T22:05:54Z","modified":"2024-08-03T17:09:09Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:11.953192Z"}],"ghsa":[{"id":"GHSA-hgc3-hp6x-wpgx","title":"Antilles Dependency Confusion Vulnerability","description":"### Potential Impact: \nRemote code execution.\n\n### Scope of Impact: \nOpen-source project specific.\n\n### Summary Description:\nA dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). \nMITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi.\nThe configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.\n\n### Mitigation Strategy for Customers (what you should do to protect yourself):\nRemove previous versions of Antilles as a precautionary measure and Update to version 1.0.1 or later.\n\n### Acknowledgement:\nThe Antilles team thanks Kotko Vladyslav for reporting this issue.\n\n### References:\nhttps://github.com/lenovo/Antilles/commit/c7b9c5740908b343aceefe69733d9972e64df0b9\n","status":"published","published":"2021-11-03T17:36:22Z","modified":"2024-09-04T20:58:14Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:38:01.080229Z"}],"nvd":[{"id":"CVE-2021-3840","description":"A dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). MITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi. The configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.","status":"published","published":"2021-11-12T22:15:08.527Z","modified":"2026-06-17T04:05:52.4Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:07:00.984108Z"}],"osv":[{"id":"CVE-2021-3840","description":"A dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). MITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi. The configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.","status":"published","published":"2021-11-12T22:15:08.527Z","modified":"2026-10-20T10:54:52.043100944Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"GHSA-hgc3-hp6x-wpgx","title":"Antilles Dependency Confusion Vulnerability","description":"### Potential Impact: \nRemote code execution.\n\n### Scope of Impact: \nOpen-source project specific.\n\n### Summary Description:\nA dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). \nMITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi.\nThe configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.\n\n### Mitigation Strategy for Customers (what you should do to protect yourself):\nRemove previous versions of Antilles as a precautionary measure and Update to version 1.0.1 or later.\n\n### Acknowledgement:\nThe Antilles team thanks Kotko Vladyslav for reporting this issue.\n\n### References:\nhttps://github.com/lenovo/Antilles/commit/c7b9c5740908b343aceefe69733d9972e64df0b9\n","status":"published","published":"2021-11-03T17:36:22Z","modified":"2026-07-08T06:29:27.141445075Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T15:46:49.28217Z"},{"id":"PYSEC-2021-840","description":"A dependency confusion vulnerability was reported in the Antilles open-source software prior to version 1.0.1 that could allow for remote code execution during installation due to a package listed in requirements.txt not existing in the public package index (PyPi). MITRE classifies this weakness as an Uncontrolled Search Path Element (CWE-427) in which a private package dependency may be replaced by an unauthorized package of the same name published to a well-known public repository such as PyPi. The configuration has been updated to only install components built by Antilles, removing all other public package indexes. Additionally, the antilles-tools dependency has been published to PyPi.","status":"published","published":"2021-11-12T22:15:00Z","modified":"2023-11-08T04:06:27.573601Z","updated_at":"2026-11-02T15:52:53.119977Z"}]}}