CVE-2023-27327

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Desktop", "vendor": "Parallels", "versions": [{"status": "affected", "version": "18.0.2"}]}], "source": "zdi-disclosures@trendmicro.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "parallels_desktop", "vendor": "parallels", "versions": [{"lessThan": "18.1.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:*", "matchCriteriaId": "52EA0FDC-881C-41AA-B481-3CC64E737EBD", "versionEndExcluding": "18.1.1_\\(53328\\)", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Parallels Desktop Toolgate Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability.\n\nThe specific flaw exists within the Toolgate component. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the current user on the host system. Was ZDI-CAN-18964."}, {"lang": "es", "value": "Vulnerabilidad de escalada de privilegios locales en el tiempo de verificaci\u00f3n del tiempo de uso de Parallels Desktop Toolgate. Esta vulnerabilidad permite a atacantes locales escalar privilegios en las instalaciones afectadas de Parallels Desktop. Un atacante primero debe obtener la capacidad de ejecutar c\u00f3digo con altos privilegios en el sistema invitado de destino para poder explotar esta vulnerabilidad. La falla espec\u00edfica existe dentro del componente Toolgate. El problema se debe a la falta de un bloqueo adecuado al realizar operaciones en un objeto. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar c\u00f3digo arbitrario en el contexto del usuario actual en el sistema host. Era ZDI-CAN-18964."}], "id": "CVE-2023-27327", "lastModified": "2026-06-17T05:44:48.013", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.8, "impactScore": 6.0, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-27327", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-05-29T19:46:10.872539Z", "version": "2.0.3"}}]}, "published": "2024-05-03T02:15:09.200", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://kb.parallels.com/125013"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-215/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.parallels.com/125013"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-215/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

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