{"id":"CVE-2020-15271","aliases":["DEBIAN-CVE-2020-15271","EUVD-2020-0101","GHSA-c84h-w6cr-5v8q","PYSEC-2020-61"],"status":"published","title":"Shell Command Execution in lookatme","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","severity":{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0231,"percentile":0.83522,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2020-10-26T18:10:36Z","modified":"2026-10-26T12:00:23Z","fixes":[{"ecosystem":"PyPI","package":"lookatme","fixed_in":["2.3.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"lookatme","fixed_in":["2.3.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"lookatme","fixed_in":["2.3.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"lookatme","fixed_in":["2.3.0-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"lookatme","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"lookatme","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"lookatme","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"lookatme","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"lookatme","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0"}]}],"versions":["0.0.2","0.1.0","0.1.1","0.2.0","0.3.0","0.4.0","0.5.0","1.0.0","1.0.1","1.1.0","1.1.1","1.2.0","1.2.1","1.3.0","2.0.0","2.1.0","2.2.0"]},{"source":"osv","ecosystem":"PyPI","package":"lookatme","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"72fe36b784b234548d49dae60b840c37f0eb8d84"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0"}]}],"versions":["0.0.2","0.1.0","0.1.1","0.2.0","0.3.0","0.4.0","0.5.0","1.0.0","1.0.1","1.1.0","1.1.1","1.2.0","1.2.1","1.3.0","2.0.0","2.1.0","2.2.0"]}],"products":[{"vendor":"d0c-s4vage","product":"lookatme"},{"vendor":"lookatme_project","product":"lookatme"}],"references":[{"url":"https://github.com/d0c-s4vage/lookatme/security/advisories/GHSA-c84h-w6cr-5v8q","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/d0c-s4vage/lookatme/pull/110","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/d0c-s4vage/lookatme/commit/72fe36b784b234548d49dae60b840c37f0eb8d84","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/d0c-s4vage/lookatme/releases/tag/v2.3.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://pypi.org/project/lookatme/#history","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web","package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15271","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/lookatme/PYSEC-2020-61.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-c84h-w6cr-5v8q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-15271","tags":["advisory"]},{"url":"https://github.com/d0c-s4vage/lookatme","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-15271","title":"Shell Command Execution in lookatme","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","status":"published","published":"2020-10-26T18:10:36Z","modified":"2024-08-04T13:15:19.024Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-0101","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","status":"published","published":"2020-10-26T18:10:36Z","modified":"2024-08-04T13:15:19Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-03T03:07:31.955969Z"}],"ghsa":[{"id":"GHSA-c84h-w6cr-5v8q","title":"Markdown-supplied Shell Command Execution","description":"### Impact\n\nlookatme versions prior to 2.3.0 automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system.\n\n### Patches\n\nUsers should upgrade to lookatme versions 2.3.0 or above.\n\n### Workarounds\n\nThe `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.\n\n### References\n\n* https://github.com/d0c-s4vage/lookatme/pull/110\n* https://github.com/d0c-s4vage/lookatme/releases/tag/v2.3.0\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [d0c-s4vage/lookatme](https://github.com/d0c-s4vage/lookatme)","status":"published","published":"2020-10-27T17:59:54Z","modified":"2024-09-30T20:15:52Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical"},{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:38:07.852618Z"}],"nvd":[{"id":"CVE-2020-15271","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","status":"published","published":"2020-10-26T18:15:14.48Z","modified":"2026-06-17T02:56:23.993Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical","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":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:20.704992Z"}],"osv":[{"id":"CVE-2020-15271","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","status":"published","published":"2020-10-26T18:15:14.48Z","modified":"2026-10-20T10:51:54.301051614Z","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":"2026-11-02T15:44:14.828228Z"},{"id":"DEBIAN-CVE-2020-15271","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","status":"published","published":"2020-10-26T18:15:14.48Z","modified":"2026-10-26T12:00:23.914812561Z","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":"2026-11-02T15:45:33.384087Z"},{"id":"GHSA-c84h-w6cr-5v8q","title":"Markdown-supplied Shell Command Execution","description":"### Impact\n\nlookatme versions prior to 2.3.0 automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system.\n\n### Patches\n\nUsers should upgrade to lookatme versions 2.3.0 or above.\n\n### Workarounds\n\nThe `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.\n\n### References\n\n* https://github.com/d0c-s4vage/lookatme/pull/110\n* https://github.com/d0c-s4vage/lookatme/releases/tag/v2.3.0\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [d0c-s4vage/lookatme](https://github.com/d0c-s4vage/lookatme)","status":"published","published":"2020-10-27T17:59:54Z","modified":"2026-09-10T03:48:59.655044527Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:44.927642Z"},{"id":"PYSEC-2020-61","description":"In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in \"terminal\" and \"file_loader\" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.","status":"published","published":"2020-10-26T18:15:00Z","modified":"2023-11-08T04:02:36.26019Z","updated_at":"2026-11-02T15:52:52.682031Z"}]}}