{"id":"CVE-2020-0989","aliases":["EUVD-2020-2455","GHSA-2978-89p5-cxgh"],"status":"published","title":"Windows Mobile Device Management Diagnostics Information Disclosure Vulnerability","description":"\u003cp\u003eAn information disclosure vulnerability exists when Windows Mobile Device Management (MDM) Diagnostics improperly handles junctions. An attacker who successfully exploited this vulnerability could bypass access restrictions to read files.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and access files.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting the how Windows MDM Diagnostics handles files.\u003c/p\u003e","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00911,"percentile":0.60266,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2020-09-11T17:08:33Z","modified":"2026-06-17T02:47:09Z","products":[{"vendor":"microsoft","product":"windows 10 version 1709"},{"vendor":"microsoft","product":"windows 10 version 1709 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1803"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1909"},{"vendor":"microsoft","product":"windows 10 version 2004"},{"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_10"},{"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-2020-0989","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0989"},{"url":"https://github.com/advisories/GHSA-2978-89p5-cxgh"}],"sources":{"cve":[{"id":"CVE-2020-0989","title":"Windows Mobile Device Management Diagnostics Information Disclosure Vulnerability","description":"\u003cp\u003eAn information disclosure vulnerability exists when Windows Mobile Device Management (MDM) Diagnostics improperly handles junctions. An attacker who successfully exploited this vulnerability could bypass access restrictions to read files.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and access files.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting the how Windows MDM Diagnostics handles files.\u003c/p\u003e","status":"published","published":"2020-09-11T17:08:33Z","modified":"2024-08-04T06:18:03.633Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:59.763887Z"}],"euvd":[{"id":"EUVD-2020-2455","description":"\u003cp\u003eAn information disclosure vulnerability exists when Windows Mobile Device Management (MDM) Diagnostics improperly handles junctions. An attacker who successfully exploited this vulnerability could bypass access restrictions to read files.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and access files.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting the how Windows MDM Diagnostics handles files.\u003c/p\u003e","status":"published","published":"2020-09-11T17:08:33Z","modified":"2024-08-04T06:18:03Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:08:16.431929Z"}],"ghsa":[{"id":"GHSA-2978-89p5-cxgh","title":"An information disclosure vulnerability exists when Windows Mobile Device Management (MDM)...","description":"An information disclosure vulnerability exists when Windows Mobile Device Management (MDM) Diagnostics improperly handles junctions, aka 'Windows Mobile Device Management Diagnostics Information Disclosure Vulnerability'.","status":"published","published":"2022-05-24T17:27:56Z","modified":"2024-01-01T00:30:40Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:55:19.223338Z"}],"nvd":[{"id":"CVE-2020-0989","description":"\u003cp\u003eAn information disclosure vulnerability exists when Windows Mobile Device Management (MDM) Diagnostics improperly handles junctions. An attacker who successfully exploited this vulnerability could bypass access restrictions to read files.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and access files.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting the how Windows MDM Diagnostics handles files.\u003c/p\u003e","status":"published","published":"2020-09-11T17:15:15.09Z","modified":"2026-06-17T02:47:09.093Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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-862"],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}