{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-29T16:20:45.231","vulnerabilities":[{"cve":{"id":"CVE-2021-34864","sourceIdentifier":"zdi-disclosures@trendmicro.com","published":"2021-10-25T17:15:08.660","lastModified":"2026-06-17T03:56:42.253","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3 (49160). An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the WinAppHelper component. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13543."},{"lang":"es","value":"Esta vulnerabilidad permite a atacantes locales escalar privilegios en las instalaciones afectadas de Parallels Desktop versión 16.1.3 (49160). Un atacante debe obtener primero la habilidad de ejecutar código poco privilegiado en el sistema huésped de destino para poder explotar esta vulnerabilidad. El fallo específico se presenta en el componente WinAppHelper. El problema resulta de una falta de comprobación de un control de acceso apropiado. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar código arbitrario en el contexto del hypervisor. Fue ZDI-CAN-13543"}],"affected":[{"source":"zdi-disclosures@trendmicro.com","affectedData":[{"vendor":"Parallels","product":"Desktop","versions":[{"version":"16.1.3 (49160)","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.0,"impactScore":6.0}],"cvssMetricV30":[{"source":"zdi-disclosures@trendmicro.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.0,"impactScore":6.0}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","baseScore":4.6,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"zdi-disclosures@trendmicro.com","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:parallels:parallels_desktop:16.1.3:*:*:*:*:macos:*:*","matchCriteriaId":"97B97F09-5AE7-47BD-82DF-47422EC15D8B"}]}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1000/","source":"zdi-disclosures@trendmicro.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1000/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]}]}}]}