{"id":"CVE-2020-1377","aliases":["EUVD-2020-12253","GHSA-2jxv-gcmg-c9p7","openSUSE-SU-2024:11542-1"],"status":"published","title":"Windows Registry Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\nA locally authenticated attacker could exploit this vulnerability by running a specially crafted application.\nThe security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.","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":"2026-11-09","score":0.01506,"percentile":0.7456,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2020-08-17T19:12:59Z","modified":"2026-06-17T03:01:15Z","affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"znc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.2-1.11"}]}],"bundled":5}],"products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"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 7"},{"vendor":"microsoft","product":"windows 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"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_10"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"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-2020-1377","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/158938/Microsoft-Windows-CmpDoReDoCreateKey-Arbitrary-Registry-Key-Creation-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1377"},{"url":"https://github.com/advisories/GHSA-2jxv-gcmg-c9p7"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14055","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14056","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12816","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-1377","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-1377","title":"Windows Registry Elevation of Privilege Vulnerability","description":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\nA locally authenticated attacker could exploit this vulnerability by running a specially crafted application.\nThe security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.","status":"published","published":"2020-08-17T19:12:59Z","modified":"2024-08-04T06:32:01.249Z","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":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-12253","description":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\nA locally authenticated attacker could exploit this vulnerability by running a specially crafted application.\nThe security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.","status":"published","published":"2020-08-17T19:12:59Z","modified":"2024-08-04T06:32:01Z","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":"2026-11-03T03:08:13.874945Z"}],"ghsa":[{"id":"GHSA-2jxv-gcmg-c9p7","title":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles...","description":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory, aka 'Windows Registry Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1378.","status":"published","published":"2022-05-24T17:25:45Z","modified":"2023-01-29T05:03:34Z","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","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:20.937669Z"}],"nvd":[{"id":"CVE-2020-1377","description":"An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.\nA locally authenticated attacker could exploit this vulnerability by running a specially crafted application.\nThe security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.","status":"published","published":"2020-08-17T19:15:14.35Z","modified":"2026-06-17T03:01:15.107Z","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":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"openSUSE-SU-2024:11542-1","title":"znc-1.8.2-1.11 on GA media","description":"These are all security issues fixed in the znc-1.8.2-1.11 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:54:08.31655Z","updated_at":"2026-11-02T16:58:35.195147Z"}]}}