{"id":"CVE-2020-16980","aliases":["EUVD-2020-8937","GHSA-c85p-cp3c-gc6c"],"status":"published","title":"Windows iSCSI Target Service Elevation of Privilege Vulnerability","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when the Windows iSCSI Target Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by ensuring the Windows iSCSI Target Service properly handles file operations.\u003c/p\u003e","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.009,"percentile":0.59973,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-10-16T22:18:10Z","modified":"2026-06-17T02:58:24Z","products":[{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1909 (server core installation)"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16980","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16980"},{"url":"https://github.com/advisories/GHSA-c85p-cp3c-gc6c"}],"sources":{"cve":[{"id":"CVE-2020-16980","title":"Windows iSCSI Target Service Elevation of Privilege Vulnerability","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when the Windows iSCSI Target Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by ensuring the Windows iSCSI Target Service properly handles file operations.\u003c/p\u003e","status":"published","published":"2020-10-16T22:18:10Z","modified":"2024-08-04T13:45:34.703Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-8937","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when the Windows iSCSI Target Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by ensuring the Windows iSCSI Target Service properly handles file operations.\u003c/p\u003e","status":"published","published":"2020-10-16T22:18:10Z","modified":"2024-08-04T13:45:34Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:07:27.538796Z"}],"ghsa":[{"id":"GHSA-c85p-cp3c-gc6c","title":"An elevation of privilege vulnerability exists when the Windows iSCSI Target Service improperly...","description":"An elevation of privilege vulnerability exists when the Windows iSCSI Target Service improperly handles file operations, aka 'Windows iSCSI Target Service Elevation of Privilege Vulnerability'.","status":"published","published":"2022-05-24T17:31:02Z","modified":"2023-12-31T21:30:24Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:55:18.712206Z"}],"nvd":[{"id":"CVE-2020-16980","description":"\u003cp\u003eAn elevation of privilege vulnerability exists when the Windows iSCSI Target Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by ensuring the Windows iSCSI Target Service properly handles file operations.\u003c/p\u003e","status":"published","published":"2020-10-16T23:15:17.227Z","modified":"2026-06-17T02:58:24.42Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}