Vulnerability Monitor

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CVE-2020-26186

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).

Published

2021-01-08T19:15:14.320

Last Modified

2024-11-21T05:19:29.030

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-642
Type: Primary
CWE-668

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	dell	inspiron_5675_firmware	< 1.4.1	Yes
Hardware	dell	inspiron_5675	-	No

References

https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability Vendor Advisory ([email protected])
https://www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerability Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)