{"containers":{"cna":{"affected":[{"product":"Iobit","vendor":"n/a","versions":[{"status":"affected","version":"IOBit Advanced SystemCare Ultimate 14.2.0.220"}]}],"descriptions":[{"lang":"en","value":"A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to write to and the byte at offset 4 is the value to write via the OUT instruction. The OUT instruction can write one byte to the given I/O device port, potentially leading to escalated privileges of unprivileged users."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-782","description":"CWE-782: Exposed IOCTL with Insufficient Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-07-07T17:10:18.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","shortName":"talos"},"references":[{"tags":["x_refsource_MISC"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2021-21787","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Iobit","version":{"version_data":[{"version_value":"IOBit Advanced SystemCare Ultimate 14.2.0.220"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to write to and the byte at offset 4 is the value to write via the OUT instruction. The OUT instruction can write one byte to the given I/O device port, potentially leading to escalated privileges of unprivileged users."}]},"impact":{"cvss":{"baseScore":8.8,"baseSeverity":"High","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-782: Exposed IOCTL with Insufficient Access Control"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T18:23:29.434Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254"}]}]},"cveMetadata":{"assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","assignerShortName":"talos","cveId":"CVE-2021-21787","datePublished":"2021-07-07T16:39:44.000Z","dateReserved":"2021-01-04T00:00:00.000Z","dateUpdated":"2024-08-03T18:23:29.434Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}