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IntelCVELIST:CVE-2024-21871

HistorySep 16, 2024 - 4:38 p.m.

CVE-2024-21871

2024-09-1616:38:41

CWE-20

intel

www.cve.org

uefi firmware

intel processors

input validation

escalation of privilege

local access

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

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.

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

EPSS

Percentile

9.6%

JSON

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