{"id":"CVE-2021-43268","aliases":["EUVD-2021-30212","GHSA-cpcp-g87h-g6h3"],"status":"published","title":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted...","description":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00876,"percentile":0.59482,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2021-11-24T16:15:17Z","modified":"2026-06-17T04:10:45Z","products":[{"vendor":"windriver","product":"vxworks"}],"references":[{"url":"https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2021-43268","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43268"},{"url":"https://github.com/advisories/GHSA-cpcp-g87h-g6h3"}],"sources":{"cve":[{"id":"CVE-2021-43268","description":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.","status":"published","published":"2021-11-24T16:15:17Z","modified":"2024-08-04T03:55:28.365Z","updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30212","description":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.","status":"published","published":"2021-11-24T16:15:17Z","modified":"2024-08-04T03:55:28Z","updated_at":"2026-11-03T03:24:14.245608Z"}],"ghsa":[{"id":"GHSA-cpcp-g87h-g6h3","title":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted...","description":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.","status":"published","published":"2021-11-25T00:00:37Z","modified":"2023-02-01T05:06:42Z","cwes":["CWE-415"],"updated_at":"2026-11-02T14:50:24.014737Z"}],"nvd":[{"id":"CVE-2021-43268","description":"An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.","status":"published","published":"2021-11-24T17:15:08.03Z","modified":"2026-06-17T04:10:45.477Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}