Home/CVE/Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local att
CVE

CVE-2020-26186

Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local att

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).

MEDIUM · CVSS 6.8 EPSS 0.00041
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Weakness Classification

CWE-642External Control of Critical State Data
CWE-668Exposure of Resource to Wrong Sphere
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Affected Products & Versions

1
dell inspiron 5675 firmware< 1.4.1
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Scoring & Timeline

6.8
MEDIUM · CVSS v3.1 · security_alert@emc.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jan 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerabilityVendor Advisory
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