CVE-2021-26943

The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3).

CVSS v3.0 8.2 HIGH
CVSS v2.0 7.2 HIGH

8.2^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.asus.com/support/FAQ/1045541/	Exploit Vendor Advisory
https://www.youtube.com/watch?v=1H3AfaVyeuk	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:asus:ux360ca_bios:*:*:*:*:*:*:*:*

cpe:2.3:h:asus:ux360ca:-:*:*:*:*:*:*:*

Information

Published : 2021-03-31 13:15

Updated : 2021-04-07 07:12

NVD link : CVE-2021-26943

Mitre link : CVE-2021-26943

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

asus

ux360ca_bios
ux360ca

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