{"id":"CVE-2021-3969","state":"PUBLISHED","title":"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 all","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.","publishedAt":"2022-05-18T16:10:25.000Z","updatedAt":"2024-08-03T17:09:09.613Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"lenovo"},"assigner":"lenovo","products":["Lenovo IMController"],"affected":[{"vendor":"Lenovo","product":"IMController","versions":[{"version":"unspecified","status":"affected","lessThan":"1.1.20.3","versionType":"custom"}]}],"references":["https://support.lenovo.com/us/en/product_security/LEN-75210"],"weaknesses":["CWE-367"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3969.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3969","state":"PUBLISHED","datePublished":"2022-05-18T16:10:25.000Z","dateUpdated":"2024-08-03T17:09:09.613Z","assignerShortName":"lenovo","assignerOrgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","dateReserved":"2021-11-17T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Lenovo","product":"IMController","versions":[{"version":"unspecified","status":"affected","lessThan":"1.1.20.3","versionType":"custom"}]}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-75210","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-367","description":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"lenovo","dateUpdated":"2022-05-18T16:10:25.000Z","orgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b"},"credits":[{"lang":"en","value":"Lenovo thanks Rick Veldhoven from Fox-IT, part of NCC Group for reporting this issue."}],"solutions":[{"lang":"en","value":"Update the IMController component of Lenovo System Interface Foundation to version 1.1.20.3.  Full mitigation guidance can be found in LEN-75210."}],"source":{"advisory":"LEN-75210","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@lenovo.com","ID":"CVE-2021-3969","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"IMController","version":{"version_data":[{"version_affected":"<","version_value":"1.1.20.3"}]}}]},"vendor_name":"Lenovo"}]}},"credit":[{"lang":"eng","value":"Lenovo thanks Rick Veldhoven from Fox-IT, part of NCC Group for reporting this issue."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition"}]}]},"references":{"reference_data":[{"name":"https://support.lenovo.com/us/en/product_security/LEN-75210","refsource":"MISC","url":"https://support.lenovo.com/us/en/product_security/LEN-75210"}]},"solution":[{"lang":"en","value":"Update the IMController component of Lenovo System Interface Foundation to version 1.1.20.3.  Full mitigation guidance can be found in LEN-75210."}],"source":{"advisory":"LEN-75210","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-75210","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:09:09.613Z"}}]}}}