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IntelCVE-2024-21871

HistorySep 16, 2024 - 5:16 p.m.

CVE-2024-21871

2024-09-1617:16:04

CWE-20

intel

web.nvd.nist.gov

uefi firmware

input validation

privilege escalation

intel processor

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

CVSS4

7.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

PASSIVE

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:H/SC:H/VI:H/SI:H/VA:H/SA:H

AI Score

7.4

Confidence

High

EPSS

Percentile

9.6%

JSON

Improper input validation in UEFI firmware for some Intel® Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Affected configurations

Vulnrichment

Node

intelxeon_d-2799_firmware

VendorProductVersionCPE
intelxeon_d-2799_firmware*cpe:2.3:o:intel:xeon_d-2799_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
intel	xeon_d-2799_firmware	*	cpe:2.3:o:intel:xeon_d-2799_firmware::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "UEFI firmware for some Intel(R) Processors",
    "versions": [
      {
        "version": "See references",
        "status": "affected"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01071.html

CVSS3

7.5

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

CVSS4

7.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

PASSIVE

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:H/SC:H/VI:H/SI:H/VA:H/SA:H

AI Score

7.4

Confidence

High

EPSS

Percentile

9.6%

JSON

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