{"id":"CVE-2021-44144","aliases":["EUVD-2021-0027","GHSA-6mmf-v5q7-vw2w","PYSEC-2021-860"],"status":"published","title":"Asterix Heap-based Buffer Overflow","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01195,"percentile":0.68466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2021-11-22T20:28:50Z","modified":"2026-10-20T10:55:05Z","fixes":[{"ecosystem":"PyPI","package":"asterix-decoder","fixed_in":["0.7.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"asterix-decoder","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"asterix-decoder","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2"}]}],"versions":["0.1.0","0.2.0","0.3.0","0.4.0","0.4.1","0.4.2","0.5.0","0.5.1","0.5.10","0.5.11","0.5.12","0.5.13","0.5.14","0.5.15","0.5.16","0.5.2","0.5.5","0.5.6","0.5.7","0.5.8","0.5.9","0.6.0","0.6.1","0.7.0","0.7.1"]},{"source":"osv","ecosystem":"PyPI","package":"asterix-decoder","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"3f765d387d239ccc44e278a2ffa600fb6a6587f9"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.2"}]}],"versions":["0.1.0","0.2.0","0.3.0","0.4.0","0.4.1","0.4.2","0.5.0","0.5.1","0.5.10","0.5.11","0.5.12","0.5.13","0.5.14","0.5.15","0.5.16","0.5.2","0.5.5","0.5.6","0.5.7","0.5.8","0.5.9","0.6.0","0.6.1","0.7.0","0.7.1","v2.8.1.0","v.2.8.1.0","v2.8.1","v2.8.0","v2.7.1.1","v2.7.1","v2.7.0","python_v0.5.16","v2.6.1","v2.6.0_deploy","v2.6.0","python_v0.5.14","pyhton_v0.5.13","v2.5.4","python_v0.5.12.2","python_v.0.5.12.1","python_v0.5.12","python_v0.5.11","v0.5.11","v2.5.1","python_v0.5.10.1","pyhton_v0.5.10","python_v0.5.10","python_v0.5.9","python_v0.5.8.1","python_v0.5.8","python_v0.5.7","python_v0.5.6","python_v0.5.5","python_v0.5.4.8","python_v0.5.4.7","python_v0.5.4.6","python_v0.5.4.5","python_v0.5.4.4","python_v0.5.4.3","python_v0.5.4.2","python_v0.5.4.1","python_v0.5.4","v2.4.2.1","v2.4.2.0","v2.4.2","v2.4.1","v2.4.0","python_v0.4.1","python_v0.4.0.0","python_v0.4.0","v0.4.0","v2.3.0","v2.2.1","V2.1.9","V2.1.8","v2.1.7","V2.1.0","v2.1.6","V2.1.4","V2.0.0"]}],"products":[{"vendor":"crocontrol","product":"asterix"}],"references":[{"url":"https://github.com/CroatiaControlLtd/asterix/issues/183","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44144","tags":["advisory"]},{"url":"https://github.com/CroatiaControlLtd/asterix/commit/3f765d387d239ccc44e278a2ffa600fb6a6587f9","tags":["web"]},{"url":"https://github.com/CroatiaControlLtd/asterix/blob/daf33de522d1cdab0e941c025b89e18a0d4d42c6/README.md?plain=1#L7","tags":["web"]},{"url":"https://web.archive.org/web/20221207104133/https://huntr.dev/bounties/1-other-CroatiaControlLtd/asterix","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/asterix-decoder/PYSEC-2021-860.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6mmf-v5q7-vw2w","tags":["advisory"]},{"url":"https://github.com/CroatiaControlLtd/asterix","tags":["package"]},{"url":"https://github.com/croatiacontrolltd/asterix/commit/3f765d387d239ccc44e278a2ffa600fb6a6587f9","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-44144","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2021-11-22T20:28:50Z","modified":"2024-08-04T04:17:23.483Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-0027","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2021-11-22T20:28:50Z","modified":"2024-08-04T04:17:23Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-6mmf-v5q7-vw2w","title":"Asterix Heap-based Buffer Overflow","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2022-05-24T19:21:10Z","modified":"2024-11-18T16:26:26Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:38:19.029049Z"}],"nvd":[{"id":"CVE-2021-44144","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2021-11-22T21:15:07.507Z","modified":"2026-06-17T04:11:57Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:01.428028Z"}],"osv":[{"id":"CVE-2021-44144","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2021-11-22T21:15:07.507Z","modified":"2026-10-20T10:55:05.18652636Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-6mmf-v5q7-vw2w","title":"Asterix Heap-based Buffer Overflow","description":"Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2022-05-24T19:21:10Z","modified":"2024-11-26T05:27:54.755395Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:46:39.965326Z"},{"id":"PYSEC-2021-860","description":"Croatia Control Asterix 2.8.1 (python_v0.7.2) has a heap-based buffer over-read, with additional details to be disclosed at a later date.","status":"published","published":"2021-11-22T21:15:00Z","modified":"2026-06-10T17:00:33.535184442Z","updated_at":"2026-11-02T15:52:53.449407Z"}]}}