2 lines
3.5 KiB
JSON
2 lines
3.5 KiB
JSON
{"affected":[{"affectedData":[{"product":"Iobit","vendor":"n/a","versions":[{"status":"affected","version":"IOBit Advanced SystemCare Ultimate 14.2.0.220"}]}],"source":"talos-cna@cisco.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:iobit:advanced_systemcare_ultimate:14.2.0.220:*:*:*:*:*:*:*","matchCriteriaId":"9B0C837B-7E2B-4AD5-8CFE-EE9CC92D1115","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"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."},{"lang":"es","value":"Se presenta una vulnerabilidad de escalada de privilegios en la forma en que el controlador IOBit Advanced SystemCare Ultimate versión 14.2.0.220, maneja las peticiones de escritura de I/O con Privilegios. Durante IOCTL 0x9c40a0d8, el primer dword pasado en el buffer de entrada es el puerto del dispositivo para escribir y el byte en el offset 4 es el valor para escribir por medio de la instrucción OUT. Un atacante local puede enviar un IRP malicioso para activar esta vulnerabilidad"}],"id":"CVE-2021-21787","lastModified":"2026-06-17T03:36:07.000","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.6,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":3.9,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"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"},"exploitabilityScore":2.0,"impactScore":6.0,"source":"talos-cna@cisco.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.0,"impactScore":6.0,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-07-07T17:15:07.957","references":[{"source":"talos-cna@cisco.com","tags":["Exploit","Third Party Advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1254"}],"sourceIdentifier":"talos-cna@cisco.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-782"}],"source":"talos-cna@cisco.com","type":"Secondary"},{"description":[{"lang":"en","value":"NVD-CWE-Other"}],"source":"nvd@nist.gov","type":"Primary"}]}
|