CVE-2020-26186

State: Published
Severity: 6.8 Medium
Published: Jan 8, 2021
Updated: Sep 17, 2024
Reserved: Sep 30, 2020

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).

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	dell

Weaknesses

CWE-642 External Control of Critical State Data

Affected Products

Product	Versions
CPG BIOSDell	before 1.4.1Affected

References

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

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