CVE-2020-26186

Published: Jan 8, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

6.8

MEDIUM

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).

Vendor	Product	Versions
Dell	CPG BIOS	affected `unspecified - < 1.4.1`

Weaknesses (CWE)

CWE-642

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability

x_refsource_MISC

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CVE-2020-26186

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References