CVEvulnerability

CVE-2020-26186

6.8 MEDIUM Published 2021-01-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-01-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-642, CWE-668

Description

Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).

Affected configurations

• dell inspiron 5675 firmware (< 1.4.1)

Related

Weakness · CWE (2)

  • CWE-642 External Control of Critical State Data weakness
  • CWE-668 Exposure of Resource to Wrong Sphere weakness

References