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CVE-2020-5953

HIGH(7.5)

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Risk Signal Score19/100 — NIEDRIG
  • CVSS 7.5 — Hoch

Erwähnungen (letzte 60 Tage)

Artikel

EPSS-Score

0.3%

Exploit-Wahrscheinlichkeit (30 Tage)

CVSS Score

7.5

Technische Schwere

Beschreibung

A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).

Betroffene Produkte

  • cpe:2.3:a:insyde:insydeh2o:5.12.09.0074:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.23.04.0045:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.23.45.0023:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.33.15.0034:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.34.03.0029:*:*:*:*:*:*:*
  • cpe:2.3:a:insyde:insydeh2o:5.42.03.0010:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc127e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc227g_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc277g_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_itp1000_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc627e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc647e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc677e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc847e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc327g_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc377g_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_ipc427e_firmware:-:*:*:*:*:*:*:*

Referenzen