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ID

VAR-202112-2487


CVE

CVE-2021-3969


TITLE

Lenovo Vantage Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202112-1270

DESCRIPTION

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

Trust: 1.08

sources: NVD: CVE-2021-3969 // VULHUB: VHN-406167 // VULMON: CVE-2021-3969

AFFECTED PRODUCTS

vendor:lenovomodel:system interface foundationscope:ltversion:1.1.20.3

Trust: 1.0

sources: NVD: CVE-2021-3969

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-3969
value: HIGH

Trust: 1.0

psirt@lenovo.com: CVE-2021-3969
value: HIGH

Trust: 1.0

CNNVD: CNNVD-202112-1270
value: HIGH

Trust: 0.6

VULHUB: VHN-406167
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-3969
severity: MEDIUM
baseScore: 4.4
vectorString: AV:L/AC:M/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.4
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

VULHUB: VHN-406167
severity: MEDIUM
baseScore: 4.4
vectorString: AV:L/AC:M/AU:N/C:P/I:P/A:P
accessVector: LOCAL
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 3.4
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-3969
baseSeverity: HIGH
baseScore: 7.0
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.0
impactScore: 5.9
version: 3.1

Trust: 1.0

psirt@lenovo.com: CVE-2021-3969
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: VULHUB: VHN-406167 // CNNVD: CNNVD-202112-1270 // NVD: CVE-2021-3969 // NVD: CVE-2021-3969

PROBLEMTYPE DATA

problemtype:CWE-367

Trust: 1.1

sources: VULHUB: VHN-406167 // NVD: CVE-2021-3969

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202112-1270

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-1270

PATCH

title:Lenovo Vantage Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=174567

Trust: 0.6

title:BleepingComputerurl:https://www.bleepingcomputer.com/news/security/lenovo-laptops-vulnerable-to-bug-allowing-admin-privileges/

Trust: 0.1

sources: VULMON: CVE-2021-3969 // CNNVD: CNNVD-202112-1270

EXTERNAL IDS

db:LENOVOid:LEN-75210

Trust: 1.8

db:NVDid:CVE-2021-3969

Trust: 1.8

db:CNNVDid:CNNVD-202112-1270

Trust: 0.6

db:VULHUBid:VHN-406167

Trust: 0.1

db:VULMONid:CVE-2021-3969

Trust: 0.1

sources: VULHUB: VHN-406167 // VULMON: CVE-2021-3969 // CNNVD: CNNVD-202112-1270 // NVD: CVE-2021-3969

REFERENCES

url:https://support.lenovo.com/us/en/product_security/len-75210

Trust: 2.4

url:https://cxsecurity.com/cveshow/cve-2021-3969/

Trust: 0.6

url:https://nvd.nist.gov

Trust: 0.1

url:https://www.bleepingcomputer.com/news/security/lenovo-laptops-vulnerable-to-bug-allowing-admin-privileges/

Trust: 0.1

sources: VULHUB: VHN-406167 // VULMON: CVE-2021-3969 // CNNVD: CNNVD-202112-1270 // NVD: CVE-2021-3969

SOURCES

db:VULHUBid:VHN-406167
db:VULMONid:CVE-2021-3969
db:CNNVDid:CNNVD-202112-1270
db:NVDid:CVE-2021-3969

LAST UPDATE DATE

2024-11-23T22:36:59.170000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-406167date:2022-05-26T00:00:00
db:VULMONid:CVE-2021-3969date:2022-05-18T00:00:00
db:CNNVDid:CNNVD-202112-1270date:2022-05-30T00:00:00
db:NVDid:CVE-2021-3969date:2024-11-21T06:23:15.573

SOURCES RELEASE DATE

db:VULHUBid:VHN-406167date:2022-05-18T00:00:00
db:VULMONid:CVE-2021-3969date:2022-05-18T00:00:00
db:CNNVDid:CNNVD-202112-1270date:2021-12-14T00:00:00
db:NVDid:CVE-2021-3969date:2022-05-18T16:15:08.127