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cvelistLenovoCVELIST:CVE-2021-3452
HistoryJul 16, 2021 - 8:30 p.m.

CVE-2021-3452

2021-07-1620:30:16
CWE-20
lenovo
www.cve.org
4
vulnerability
thinkpad
smi callback
arbitrary code
local access
elevated privileges

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0

Percentile

5.1%

A potential vulnerability in the system shutdown SMI callback function in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.

CNA Affected

[
  {
    "product": "ThinkPad BIOS",
    "vendor": "Lenovo",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  }
]

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0

Percentile

5.1%

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