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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2020-26186

CVE-2020-26186

MEDIUM6.8

Dell Inspiron 5675 BIOS versions prior to 1

Published Jan 8, 2021

Modified 1 years ago

Details

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).

References

https://www.cve.org/CVERecord?id=CVE-2020-26186

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

CVSS Analysis

CVSS v3.1

6.8

Exploitability

Attack Vector

PhysicalAV:P

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedJan 8, 2021

ModifiedSep 17, 2024

CVE-2020-26186 | Mondoo Vulnerability Intelligence