{"id":"CVE-2020-17398","aliases":["EUVD-2020-9351","GHSA-cxx9-g3h7-xchv"],"status":"published","title":"This vulnerability allows local attackers to disclose information on affected installations of...","description":"This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-11302.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0053,"percentile":0.45082,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-129"],"published":"2020-08-25T20:20:53Z","modified":"2026-06-17T02:58:51Z","products":[{"vendor":"parallels","product":"desktop"},{"vendor":"parallels","product":"parallels_desktop"},{"vendor":"zen-browser","product":"desktop"}],"references":[{"url":"https://kb.parallels.com/en/125013","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1016/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17398"},{"url":"https://github.com/advisories/GHSA-cxx9-g3h7-xchv"}],"sources":{"cve":[{"id":"CVE-2020-17398","description":"This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-11302.","status":"published","published":"2020-08-25T20:20:53Z","modified":"2024-08-04T13:53:16.541Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-9351","description":"This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-11302.","status":"published","published":"2020-08-25T20:20:53Z","modified":"2024-08-04T13:53:16Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:27.538796Z"}],"ghsa":[{"id":"GHSA-cxx9-g3h7-xchv","title":"This vulnerability allows local attackers to disclose information on affected installations of...","description":"This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-11302.","status":"published","published":"2022-05-24T17:26:31Z","modified":"2023-01-29T05:03:49Z","updated_at":"2026-11-02T14:45:24.208268Z"}],"nvd":[{"id":"CVE-2020-17398","description":"This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-11302.","status":"published","published":"2020-08-25T21:15:13.77Z","modified":"2026-06-17T02:58:51.307Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}