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[email protected]CVE-2020-5388

HistoryNov 10, 2020 - 3:15 p.m.

CVE-2020-5388

2020-11-1015:15:12

CWE-119

[email protected]

web.nvd.nist.gov

cve-2020-5388

dell

inspiron

bios

vulnerability

smm

smram

code execution

security

4.4 Medium

CVSS2

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

6.9 Medium

CVSS3

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

7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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-

CPENameOperatorVersion
dell:inspiron_15_7579_firmwaredell inspiron 15 7579 firmwarelt1.31.0

CPE	Name	Operator	Version
dell:inspiron_15_7579_firmware	dell inspiron 15 7579 firmware	lt	1.31.0

CNA Affected

[
  {
    "product": "CPG BIOS",
    "vendor": "Dell",
    "versions": [
      {
        "lessThan": "1.31.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability

4.4 Medium

CVSS2

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

6.9 Medium

CVSS3

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

7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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