{"id":"CVE-2020-8703","aliases":["EUVD-2020-29551","GHSA-vqjv-932p-6v65"],"status":"published","title":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12...","description":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00333,"percentile":0.26748,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2021-06-09T18:48:39Z","modified":"2026-06-17T03:26:47Z","products":[{"vendor":"intel","product":"converged_security_and_manageability_engine"},{"vendor":"netapp","product":"cloud_backup"},{"vendor":"siemens","product":"simatic_field_pg_m5_firmware"},{"vendor":"siemens","product":"simatic_field_pg_m6_firmware"},{"vendor":"siemens","product":"simatic_ipc427e_firmware"},{"vendor":"siemens","product":"simatic_ipc477e_firmware"},{"vendor":"siemens","product":"simatic_ipc477e_pro_firmware"},{"vendor":"siemens","product":"simatic_ipc527g_firmware"},{"vendor":"siemens","product":"simatic_ipc547g_firmware"},{"vendor":"siemens","product":"simatic_ipc627e_firmware"},{"vendor":"siemens","product":"simatic_ipc647e_firmware"},{"vendor":"siemens","product":"simatic_ipc677e_firmware"},{"vendor":"siemens","product":"simatic_ipc847e_firmware"},{"vendor":"siemens","product":"simatic_itp1000_firmware"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210611-0004/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8703"},{"url":"https://github.com/advisories/GHSA-vqjv-932p-6v65"}],"sources":{"cve":[{"id":"CVE-2020-8703","description":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2021-06-09T18:48:39Z","modified":"2024-08-04T10:03:46.284Z","updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29551","description":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2021-06-09T18:48:39Z","modified":"2024-08-04T10:03:46Z","updated_at":"2026-11-03T03:07:56.602123Z"}],"ghsa":[{"id":"GHSA-vqjv-932p-6v65","title":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12...","description":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-05-24T19:04:28Z","modified":"2023-01-29T05:06:55Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:46:07.317218Z"}],"nvd":[{"id":"CVE-2020-8703","description":"Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2021-06-09T19:15:09.233Z","modified":"2026-06-17T03:26:47.947Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:43.288951Z"}]}}