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nvd[email protected]NVD:CVE-2020-5388
HistoryNov 10, 2020 - 3:15 p.m.

CVE-2020-5388

2020-11-1015:15:12
CWE-119
web.nvd.nist.gov
5
dell inspiron bios
smm communication
vulnerability
smram
arbitrary code execution

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.9

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Affected configurations

Nvd
Node
dellinspiron_15_7579_firmwareRange<1.31.0
AND
dellinspiron_15_7579Match-
VendorProductVersionCPE
dellinspiron_15_7579_firmware*cpe:2.3:o:dell:inspiron_15_7579_firmware:*:*:*:*:*:*:*:*
dellinspiron_15_7579-cpe:2.3:h:dell:inspiron_15_7579:-:*:*:*:*:*:*:*

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.9

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

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