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DellCVE-2020-5376

HistorySep 02, 2020 - 9:15 p.m.

CVE-2020-5376

2020-09-0221:15:12

CWE-416

dell

web.nvd.nist.gov

cve-2020-5376

dell inspiron 7347

bios

uefi

vulnerability

smm

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

34.9%

JSON

Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

Affected configurations

Nvd

Node

dellinspiron_7347_biosRange<a13

AND

dellinspiron_7347Match-

VendorProductVersionCPE
dellinspiron_7347_bios*cpe:2.3:o:dell:inspiron_7347_bios:*:*:*:*:*:*:*:*
dellinspiron_7347-cpe:2.3:h:dell:inspiron_7347:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
dell	inspiron_7347_bios	*	cpe:2.3:o:dell:inspiron_7347_bios::::::::
dell	inspiron_7347	-	cpe:2.3:h:dell:inspiron_7347:-:::::::*

CNA Affected

[
  {
    "product": "CPG BIOS",
    "vendor": "Dell",
    "versions": [
      {
        "lessThan": "A13",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.dell.com/support/article/SLN322616

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

34.9%

JSON

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