{"id":"CVE-2020-8745","aliases":["EUVD-2020-29593","GHSA-wc8w-gx27-xp92"],"status":"published","title":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11...","description":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00383,"percentile":0.32565,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-11-12T18:06:09Z","modified":"2026-06-17T03:26:52Z","products":[{"vendor":"intel","product":"converged_security_and_manageability_engine"},{"vendor":"intel","product":"trusted_execution_technology"},{"vendor":"siemens","product":"simatic_drive_controller_firmware"},{"vendor":"siemens","product":"simatic_et200sp_1515sp_pc2_firmware"},{"vendor":"siemens","product":"simatic_field_pg_m5_firmware"},{"vendor":"siemens","product":"simatic_field_pg_m6_firmware"},{"vendor":"siemens","product":"simatic_ipc127e_firmware"},{"vendor":"siemens","product":"simatic_ipc427e_firmware"},{"vendor":"siemens","product":"simatic_ipc477e_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_ipc667e_firmware"},{"vendor":"siemens","product":"simatic_ipc847e_firmware"},{"vendor":"siemens","product":"simatic_itp1000_firmware"},{"vendor":"siemens","product":"sinumerik_828d_hw_pu.4_firmware"},{"vendor":"siemens","product":"sinumerik_840d_sl_ht_10_firmware"},{"vendor":"siemens","product":"sinumerik_mc_mcu_1720_firmware"},{"vendor":"siemens","product":"sinumerik_one_firmware"},{"vendor":"siemens","product":"sinumerik_one_ncu_1740_firmware"},{"vendor":"siemens","product":"sinumerik_one_ppu_1740_firmware"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20201113-0005/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20201113-0002/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8745"},{"url":"https://security.netapp.com/advisory/ntap-20201113-0002"},{"url":"https://security.netapp.com/advisory/ntap-20201113-0005"},{"url":"https://github.com/advisories/GHSA-wc8w-gx27-xp92"}],"sources":{"cve":[{"id":"CVE-2020-8745","description":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.","status":"published","published":"2020-11-12T18:06:09Z","modified":"2024-08-04T10:12:09.559Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-29593","description":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.","status":"published","published":"2020-11-12T18:06:09Z","modified":"2024-08-04T10:12:09Z","updated_at":"2026-11-03T03:07:56.602123Z"}],"ghsa":[{"id":"GHSA-wc8w-gx27-xp92","title":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11...","description":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.","status":"published","published":"2022-05-24T17:34:11Z","modified":"2025-03-28T15:31:43Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:00:30.942475Z"}],"nvd":[{"id":"CVE-2020-8745","description":"Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.","status":"published","published":"2020-11-12T18:15:17.3Z","modified":"2026-06-17T03:26:52.54Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/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"}],"updated_at":"2026-11-02T14:06:24.137599Z"}]}}