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LenovoCVE-2021-3969

HistoryMay 18, 2022 - 4:15 p.m.

CVE-2021-3969

2022-05-1816:15:08

CWE-367

lenovo

web.nvd.nist.gov

cve-2021-3969

toctou vulnerability

imcontroller

lenovo system interface foundation

local attacker

privilege escalation

nvd

CVSS2

4.4

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

Percentile

5.1%

JSON

A Time of Check Time of Use (TOCTOU) vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation, prior to version 1.1.20.3that could allow a local attacker to elevate privileges.

Affected configurations

Nvd

Node

lenovosystem_interface_foundationRange<1.1.20.3

VendorProductVersionCPE
lenovosystem_interface_foundation*cpe:2.3:a:lenovo:system_interface_foundation:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
lenovo	system_interface_foundation	*	cpe:2.3:a:lenovo:system_interface_foundation::::::::

CNA Affected

[
  {
    "product": "IMController",
    "vendor": "Lenovo",
    "versions": [
      {
        "lessThan": "1.1.20.3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

support.lenovo.com/us/en/product_security/LEN-75210

Social References

CVSS2

4.4

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

Percentile

5.1%

JSON

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