CVE-2021-3969

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.

CVSS v3 7.0 HIGH
CVSS v2.0 4.4 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.lenovo.com/us/en/product_security/LEN-75210	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:lenovo:system_interface_foundation:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-05-18 16:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-3969

Mitre link : CVE-2021-3969

CVE.ORG link : CVE-2021-3969

JSON object : View

Products Affected

lenovo

system_interface_foundation

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

{"id": "CVE-2021-3969", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}, {"type": "Secondary", "source": "psirt@lenovo.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2022-05-18T16:15:08.127", "references": [{"url": "https://support.lenovo.com/us/en/product_security/LEN-75210", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@lenovo.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-367"}]}, {"type": "Secondary", "source": "psirt@lenovo.com", "description": [{"lang": "en", "value": "CWE-367"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se inform\u00f3 de una vulnerabilidad en el tiempo de comprobaci\u00f3n del tiempo de uso (TOCTOU) en IMController, un componente de software de Lenovo System Interface Foundation, versiones anteriores a 1.1.20.3, que podr\u00eda permitir a un atacante local elevar sus privilegios"}], "lastModified": "2022-05-26T23:16:09.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lenovo:system_interface_foundation:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0F598C27-8CC6-4F51-9CF1-39AC66E8A9F8", "versionEndExcluding": "1.1.20.3"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@lenovo.com"}